3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'things <b>that are bold </b>'; printf preg_replace('/<(\/?)b>/', '', $str);
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected 'preg_replace' (T_STRING) in /in/QlWOO on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING in /in/QlWOO on line 5
Process exited with code 255.
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