3v4l.org

run code in 300+ PHP versions simultaneously
<?php header( 'Content-type: text/html; charset=utf-8' );echo 'Begin ...<br />';for( $i = 0 ; $i < 10 ; $i++ ){    echo $i . '<br />';    flush();    ob_flush();    sleep(1);}echo 'End ...<br />';
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected ''Content-type: text/html; char' (T_CONSTANT_ENCAPSED_STRING) in /in/praBI on line 2
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_CONSTANT_ENCAPSED_STRING in /in/praBI on line 2
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_CONSTANT_ENCAPSED_STRING in /in/praBI on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/praBI on line 2
Process exited with code 255.
preferences:
218.85 ms | 1395 KiB | 123 Q