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<?php function my_array_diff($a, $b) { $map = $out = array(); foreach($a as $val) $map[$val] = 1; foreach($b as $val) if(isset($map[$val])) $map[$val] = 0; foreach($map as $val => $ok) if($ok) $out[] = $val; return $out; } $a=array('a','A','b'); $b=array('A','c','b') print_r(my_array_diff($a,$b)); print_r(array_diff($a,$b));
Output for 5.4.0 - 5.4.40, 5.5.24, 5.6.7 - 5.6.8
Parse error: syntax error, unexpected 'print_r' (T_STRING) in /in/IRrI9 on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/IRrI9 on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/IRrI9 on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/IRrI9 on line 13
Process exited with code 255.
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