3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($a, $b) { return $a + $b; } $x = 2; $y = 3; echo foo($x, &$y);

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)
7.0.10.0100.05720.20
7.0.00.0070.08320.26
5.6.160.0070.07320.46
5.6.150.0030.08018.25
5.6.140.0070.08018.12
5.6.130.0100.07718.19
5.6.120.0070.05021.08
5.6.110.0170.07721.15
5.6.100.0170.07321.01
5.6.90.0030.07020.88
5.6.80.0130.04320.51
5.5.300.0170.03718.08
5.5.290.0070.07017.98
5.5.280.0070.08320.66
5.5.270.0100.08720.80
5.5.260.0130.08720.64
5.5.250.0030.08320.78
5.5.240.0170.07020.07
5.4.450.0520.05819.58
5.4.440.0430.07319.56
5.4.430.0500.04519.41
5.4.420.0450.05319.49
5.4.410.0380.06319.41
5.4.400.0500.04519.20
5.4.390.0600.05519.06
5.4.380.0600.05019.13
5.4.370.0720.04819.11
5.4.360.0380.05319.22
5.4.350.0370.06219.29
5.4.340.0420.05319.27
5.4.320.0480.04519.11
5.4.310.0500.04719.18
5.4.300.0450.04819.22
5.4.290.0400.04819.22
5.4.280.0400.05219.26
5.4.270.0430.05219.18
5.4.260.0430.05219.04
5.4.250.0350.05219.15
5.4.240.0370.06219.27
5.4.230.0370.05219.05
5.4.220.0550.05019.10
5.4.210.0400.04819.16
5.4.200.0600.05219.09
5.4.190.0400.05219.16
5.4.180.0480.05019.22
5.4.170.0430.04819.16
5.4.160.0370.05719.08
5.4.150.0370.05819.23
5.4.140.0330.06216.46
5.4.130.0570.04216.39
5.4.120.0580.04716.50
5.4.110.0480.05016.59
5.4.100.0400.05016.54
5.4.90.0070.05016.59
5.4.80.0070.05016.60
5.4.70.0130.04716.50
5.4.60.0130.05016.30
5.4.50.0170.04016.57
5.4.40.0600.04716.23
5.4.30.0070.06016.23
5.4.20.0070.05016.52
5.4.10.0200.06716.58
5.4.00.0130.04715.96
5.3.290.0300.05814.66
5.3.280.0380.05214.59
5.3.270.0450.05214.61
5.3.260.0670.05314.61
5.3.250.0530.04814.65
5.3.240.0420.05214.64
5.3.230.0330.05314.61
5.3.220.0400.05514.54
5.3.210.0370.05714.53
5.3.200.0600.05714.54
5.3.190.0100.05714.71
5.3.180.0070.05314.56
5.3.170.0100.05014.56
5.3.160.0530.05314.71
5.3.150.0600.04714.54
5.3.140.0500.05314.61
5.3.130.0130.06714.59
5.3.120.0130.05014.59
5.3.110.0170.05314.52
5.3.100.0600.06014.07
5.3.90.0400.04714.18
5.3.80.0100.05013.98
5.3.70.0030.05713.98
5.3.60.0570.05313.82
5.3.50.0570.04313.93
5.3.40.0170.04314.09
5.3.30.0130.04313.96
5.3.20.0000.06013.69
5.3.10.0130.05313.61
5.3.00.0130.04313.58
5.2.170.0070.04311.15
5.2.160.0230.03311.11
5.2.150.0030.04311.13
5.2.140.0000.04711.21
5.2.130.0130.03311.11
5.2.120.0070.04011.16
5.2.110.0130.03711.10
5.2.100.0030.04011.14
5.2.90.0070.04010.99
5.2.80.0100.04011.04
5.2.70.0230.03011.05
5.2.60.0400.04711.09
5.2.50.0130.04711.00
5.2.40.0570.04311.05
5.2.30.0670.03710.93
5.2.20.0030.05011.11
5.2.10.0000.04310.87
5.2.00.0170.03010.63
5.1.60.0070.0339.99
5.1.50.0100.0309.96
5.1.40.0000.04010.01
5.1.30.0100.03310.30
5.1.20.0070.03310.41
5.1.10.0100.03010.11
5.1.00.0070.03310.10
5.0.50.0070.0278.51
5.0.40.0100.0208.44
5.0.30.0030.0438.29
5.0.20.0000.0308.22
5.0.10.0070.0278.17
5.0.00.0070.0408.16
4.4.90.0170.0235.85
4.4.80.0000.0235.82
4.4.70.0000.0235.82
4.4.60.0000.0235.83
4.4.50.0070.0205.80
4.4.40.0000.0405.84
4.4.30.0030.0205.75
4.4.20.0000.0275.89
4.4.10.0000.0275.90
4.4.00.0000.0475.90
4.3.110.0000.0275.87
4.3.100.0070.0205.70
4.3.90.0000.0235.76
4.3.80.0100.0275.68
4.3.70.0100.0175.83
4.3.60.0130.0275.67
4.3.50.0000.0235.68
4.3.40.0030.0335.64
4.3.30.0030.0204.55
4.3.20.0030.0204.52
4.3.10.0000.0234.45
4.3.00.0000.0234.45

preferences:
139.73 ms | 1398 KiB | 7 Q