3v4l.org

run code in 300+ PHP versions simultaneously
<?php function nums() { $ary = [24,25,26,27,28,29,30,31,32]; $i = 0; foreach ($ary as $x) { $cmd = (yield $x); // yield expr var_dump($cmd); if ($cmd == 'stop') { return; // exit generator } } } $gen = nums(); foreach ($gen as $value) { echo "$value\n"; if ($value == 30) { // don't let it get to 32 $gen->send('stop'); } }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
24 NULL 25 NULL 26 NULL 27 NULL 28 NULL 29 NULL 30 string(4) "stop"
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$x' (T_VARIABLE) in /in/L7trY on line 6
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 '[' in /in/L7trY on line 3
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 '[' in /in/L7trY on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/L7trY on line 3
Process exited with code 255.
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323.07 ms | 401 KiB | 380 Q