3v4l.org

run code in 300+ PHP versions simultaneously
<?php $primary = 0; echo ($primary || $primary === "0" || $primary === 0) ? 1 : 0; echo "\n\r"; echo ("- " . !empty($primary) ? 1 : 0;); echo "\n\r"; $primary = "0"; echo ($primary || $primary === "0" || $primary === 0) ? 1 : 0; echo "\n\r"; echo ("- " . !empty($primary) ? 1 : 0;); echo "\n\r"; $primary = NULL; echo ($primary || $primary === "0" || $primary === 0) ? 1 : 0; echo "\n\r"; echo ("- " . !empty($primary) ? 1 : 0;); echo "\n\r"; $primary = ''; echo ($primary || $primary === "0" || $primary === 0) ? 1 : 0; echo "\n\r"; echo ("- " . !empty($primary) ? 1 : 0;); echo "\n\r";

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.300.0080.05012.49
5.4.290.0090.05112.49
5.4.280.0050.05912.39
5.4.270.0090.05112.39
5.4.260.0100.05112.39
5.4.250.0080.05312.39
5.4.240.0080.05012.39
5.4.230.0070.05612.38
5.4.220.0130.04812.38
5.4.210.0080.07912.38
5.4.200.0060.05212.38
5.4.190.0160.04212.38
5.4.180.0090.05012.38
5.4.170.0060.05212.38
5.4.160.0120.04812.38
5.4.150.0100.06112.38
5.4.140.0100.05512.07
5.4.130.0070.05512.05
5.4.120.0140.05212.02
5.4.110.0090.05712.01
5.4.100.0120.07412.01
5.4.90.0100.05212.01
5.4.80.0140.05012.01
5.4.70.0070.05412.00
5.4.60.0110.05112.00
5.4.50.0150.08112.01
5.4.40.0120.07012.00
5.4.30.0130.06311.99
5.4.20.0140.06811.99
5.4.10.0100.05811.99
5.4.00.0110.04311.48
5.3.280.0070.04912.71
5.3.270.0140.06612.73
5.3.260.0320.09112.72
5.3.250.0130.05112.71
5.3.240.0150.04812.72
5.3.230.0090.05512.71
5.3.220.0060.04812.68
5.3.210.0090.04712.68
5.3.200.0060.04612.68
5.3.190.0050.04712.67
5.3.180.0100.06712.67
5.3.170.0170.05612.67
5.3.160.0160.05412.68
5.3.150.0100.07912.68
5.3.140.0070.05912.66
5.3.130.0070.06312.66
5.3.120.0060.06312.66
5.3.110.0140.05712.65
5.3.100.0120.05212.12
5.3.90.0100.05412.08
5.3.80.0120.05112.07
5.3.70.0100.04912.07
5.3.60.0100.04912.06
5.3.50.0090.04712.00
5.3.40.0070.05212.00
5.3.30.0100.04711.95
5.3.20.0080.04811.73
5.3.10.0050.05011.70
5.3.00.0110.04511.68

preferences:
143.9 ms | 1394 KiB | 7 Q