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118 lines
2.3 KiB
PHP
118 lines
2.3 KiB
PHP
--TEST--
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Testing empty() with string offsets
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--FILE--
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<?php
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print "- empty ---\n";
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$str = "test0123";
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var_dump(empty($str[-1]));
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var_dump(empty($str[-10]));
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var_dump(empty($str[-4])); // 0
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var_dump(empty($str[0]));
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var_dump(empty($str[1]));
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var_dump(empty($str[4])); // 0
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var_dump(empty($str[5])); // 1
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var_dump(empty($str[8]));
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var_dump(empty($str[10000]));
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// non-numeric offsets
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print "- string literal ---\n";
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var_dump(empty($str['-1'])); // 3
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var_dump(empty($str['-10']));
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var_dump(empty($str['0']));
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var_dump(empty($str['1']));
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var_dump(empty($str['4'])); // 0
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var_dump(empty($str['1.5']));
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var_dump(empty($str['good']));
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var_dump(empty($str['3 and a half']));
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print "- string variable ---\n";
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var_dump(empty($str[$key = '-1'])); // 3
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var_dump(empty($str[$key = '-10']));
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var_dump(empty($str[$key = '0']));
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var_dump(empty($str[$key = '1']));
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var_dump(empty($str[$key = '4'])); // 0
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var_dump(empty($str[$key = '1.5']));
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var_dump(empty($str[$key = 'good']));
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var_dump(empty($str[$key = '3 and a half']));
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print "- bool ---\n";
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var_dump(empty($str[true]));
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var_dump(empty($str[false]));
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var_dump(empty($str[false][true]));
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print "- null ---\n";
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var_dump(empty($str[null]));
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print "- double ---\n";
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var_dump(empty($str[-1.1]));
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var_dump(empty($str[-10.5]));
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var_dump(empty($str[-4.1]));
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var_dump(empty($str[-0.8]));
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var_dump(empty($str[-0.1]));
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var_dump(empty($str[0.2]));
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var_dump(empty($str[0.9]));
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var_dump(empty($str[M_PI]));
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var_dump(empty($str[100.5001]));
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print "- array ---\n";
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var_dump(empty($str[array()]));
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var_dump(empty($str[array(1,2,3)]));
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print "- object ---\n";
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var_dump(empty($str[new stdClass()]));
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print "- resource ---\n";
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$f = fopen(__FILE__, 'r');
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var_dump(empty($str[$f]));
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print "done\n";
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?>
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--EXPECT--
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- empty ---
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bool(false)
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bool(true)
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bool(true)
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bool(false)
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(true)
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- string literal ---
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bool(false)
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bool(true)
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bool(false)
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bool(false)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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- string variable ---
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bool(false)
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bool(true)
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bool(false)
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bool(false)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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- bool ---
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bool(false)
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bool(false)
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bool(true)
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- null ---
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bool(false)
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- double ---
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bool(false)
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bool(true)
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bool(true)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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bool(true)
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- array ---
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bool(true)
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bool(true)
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- object ---
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bool(true)
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- resource ---
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bool(true)
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done
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