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run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = 'world cup'; $arr = explode("\n",$test); $C= new stdClass(); $C->AUTO_HASHTAG = $arr; foreach($C->AUTO_HASHTAG as &$ht){ if(strpos($ht,'o')!==false) $C->AUTO_HASHTAG[] = str_replace('o','O',$ht); if(strpos($ht,'O')!==false) $C->AUTO_HASHTAG[] = str_replace('O','o',$ht); if(strpos($ht,' ')!==false){ $C->AUTO_HASHTAG[] = str_replace(' ','-',$ht); $C->AUTO_HASHTAG[] = str_replace(' ','_',$ht); } } var_export($C->AUTO_HASHTAG);
Output for 7.0.0 - 7.1.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 33554440 bytes) in /in/i531b on line 10
Process exited with code 255.
Output for hhvm-3.12.0
mallctl opt.prof: No such file or directory (2) Fatal error: request has exceeded memory limit in /in/i531b on line 18
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.6.28
array ( 0 => 'world cup', 1 => 'wOrld cup', 2 => 'world-cup', 3 => 'world_cup', )
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/i531b on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/i531b on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/i531b on line 8
Process exited with code 255.