3v4l.org

run code in 300+ PHP versions simultaneously
<?php function jempty($var) { return !isset($var) || $var == false } $t = []; var_dump(jempty($t));

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)
5.6.80.0130.07320.50
5.5.240.0200.06320.28
5.4.400.0930.06019.29
5.4.390.0130.05318.61
5.4.380.0100.07018.52
5.4.370.0200.06018.57
5.4.360.0170.05018.73
5.4.350.0200.07318.63
5.4.340.0200.05718.79
5.4.320.0200.06718.73
5.4.310.0300.04718.73
5.4.300.0270.04318.80
5.4.290.0100.06018.73
5.4.280.0200.05318.71
5.4.270.0200.05318.45
5.4.260.0130.05718.60
5.4.250.0200.05018.72
5.4.240.0200.05318.60
5.4.230.0230.07018.71
5.4.220.0070.06318.68
5.4.210.0200.05018.50
5.4.200.0130.05016.77
5.4.190.0200.04718.78
5.4.180.0300.04718.44
5.4.170.0100.06018.82
5.4.160.0130.05318.78
5.4.150.0130.05318.71
5.4.140.0230.05316.27
5.4.130.0300.03016.28
5.4.120.0200.04316.33
5.4.110.0170.04716.30
5.4.100.0100.06016.23
5.4.90.0230.04316.44
5.4.80.0100.05716.18
5.4.70.0200.04716.20
5.4.60.0170.05316.41
5.4.50.0170.04716.26
5.4.40.0200.04716.17
5.4.30.0200.04316.26
5.4.20.0100.05316.26
5.4.10.0100.05716.29
5.4.00.0200.04015.88
5.3.290.0170.07314.79
5.3.280.0170.05714.72
5.3.270.0230.06714.79
5.3.260.0130.07714.81
5.3.250.0130.05714.78
5.3.240.0170.04714.64
5.3.230.0200.04314.82
5.3.220.0170.07314.60
5.3.210.0270.06314.63
5.3.200.0130.05314.73
5.3.190.0100.07714.57
5.3.180.0200.06714.67
5.3.170.0100.05014.57
5.3.160.0130.04714.67
5.3.150.0230.04014.64
5.3.140.0070.05714.65
5.3.130.0200.04714.55
5.3.120.0130.05714.73
5.3.110.0300.04014.57
5.3.100.0130.05314.18
5.3.90.0100.05314.02
5.3.80.0170.05014.23
5.3.70.0170.05014.00
5.3.60.0170.04714.13
5.3.50.0100.06714.02
5.3.40.0330.06013.98
5.3.30.0130.05013.95
5.3.20.0100.05313.72
5.3.10.0070.07713.88
5.3.00.0270.06013.73
5.2.170.0170.05311.24
5.2.160.0100.04011.21
5.2.150.0070.04711.25
5.2.140.0070.04311.17
5.2.130.0100.04011.22
5.2.120.0170.05011.30
5.2.110.0270.03711.08
5.2.100.0030.04711.18
5.2.90.0100.04311.17
5.2.80.0130.04011.14
5.2.70.0100.04311.19
5.2.60.0130.04711.14
5.2.50.0030.04711.13
5.2.40.0130.03711.11
5.2.30.0100.04011.02
5.2.20.0070.04311.09
5.2.10.0070.04310.98
5.2.00.0100.04010.82
5.1.60.0030.04010.01
5.1.50.0100.0379.99
5.1.40.0100.03010.16
5.1.30.0070.03710.36
5.1.20.0070.04310.44
5.1.10.0100.04010.19
5.1.00.0070.04010.25
5.0.50.0070.0378.55
5.0.40.0130.0338.45
5.0.30.0100.0538.20
5.0.20.0070.0378.20
5.0.10.0130.0338.37
5.0.00.0070.0438.36
4.4.90.0030.0238.03
4.4.80.0070.0208.03
4.4.70.0030.0308.03
4.4.60.0030.0308.03
4.4.50.0070.0208.03
4.4.40.0030.0378.03
4.4.30.0030.0238.03
4.4.20.0070.0208.03
4.4.10.0000.0278.03
4.4.00.0030.0408.03
4.3.110.0030.0238.03
4.3.100.0030.0238.03
4.3.90.0070.0208.03
4.3.80.0130.0338.03
4.3.70.0100.0238.03
4.3.60.0100.0178.03
4.3.50.0030.0208.03
4.3.40.0070.0308.03
4.3.30.0030.0238.03
4.3.20.0000.0238.03
4.3.10.0070.0178.03
4.3.00.0370.01714.42

preferences:
149.88 ms | 1394 KiB | 7 Q