3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var) { $GLOBALS['a']++; //$var++; debug_zval_dump($var); //$GLOBALS['var']++; echo $var; echo $GLOBALS['a']; // echo $GLOBALS['var']; } $a = 0; $GLOBALS['a']++; debug_zval_dump($a); test($a);

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)
8.3.60.0120.00318.30
8.3.50.0100.00521.93
8.3.40.0090.00618.85
8.3.30.0080.00819.21
8.3.20.0070.00020.16
8.3.10.0000.00821.97
8.3.00.0000.00822.50
8.2.180.0090.00616.50
8.2.170.0100.00322.96
8.2.160.0070.00720.82
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0040.00417.63
8.2.110.0060.00322.08
8.2.100.0080.00419.46
8.2.90.0000.00919.21
8.2.80.0080.00018.05
8.2.70.0080.00017.63
8.2.60.0040.00817.93
8.2.50.0050.00318.07
8.2.40.0070.00318.17
8.2.30.0000.00818.01
8.2.20.0000.00717.54
8.2.10.0050.00217.57
8.2.00.0070.00017.64
8.1.280.0040.01125.92
8.1.270.0040.00422.13
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0090.00023.92
8.1.230.0040.00819.15
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0070.00017.30
8.1.180.0040.00418.60
8.1.170.0000.00918.59
8.1.160.0080.00022.12
8.1.150.0000.00718.66
8.1.140.0090.00017.37
8.1.130.0030.00317.84
8.1.120.0030.00717.40
8.1.110.0000.00717.44
8.1.100.0050.00317.51
8.1.90.0070.00017.50
8.1.80.0000.00817.47
8.1.70.0030.00317.38
8.1.60.0030.00617.48
8.1.50.0030.00517.38
8.1.40.0040.00417.55
8.1.30.0060.00317.57
8.1.20.0040.00417.54
8.1.10.0050.00317.59
8.1.00.0030.00617.48
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0030.00318.31
8.0.270.0050.00317.13
8.0.260.0070.00016.75
8.0.250.0000.00716.85
8.0.240.0000.00716.96
8.0.230.0040.00416.89
8.0.220.0000.00716.75
8.0.210.0000.00716.86
8.0.200.0030.00316.93
8.0.190.0000.00716.96
8.0.180.0060.00616.81
8.0.170.0080.00016.86
8.0.160.0040.00416.70
8.0.150.0080.00016.89
8.0.140.0030.00516.78
8.0.130.0000.00613.27
8.0.120.0000.00716.88
8.0.110.0040.00416.95
8.0.100.0000.00716.70
8.0.90.0050.00216.88
8.0.80.0060.00916.79
8.0.70.0000.00716.84
8.0.60.0070.00016.77
8.0.50.0040.00416.70
8.0.30.0110.01117.19
8.0.20.0110.00617.40
8.0.10.0070.00016.87
8.0.00.0050.01616.62
7.4.330.0020.00215.00
7.4.320.0000.00616.60
7.4.300.0000.00616.41
7.4.290.0040.00416.51
7.4.280.0030.00316.38
7.4.270.0000.00716.49
7.4.260.0000.00816.52
7.4.250.0040.00416.50
7.4.240.0020.00516.63
7.4.230.0050.00316.57
7.4.220.0110.01416.64
7.4.210.0110.00616.52
7.4.200.0070.00016.48
7.4.190.0070.00016.63
7.4.160.0070.01016.39
7.4.150.0070.01317.40
7.4.140.0110.01117.86
7.4.130.0130.00316.59
7.4.120.0110.00916.64
7.4.110.0210.00016.54
7.4.100.0120.00616.43
7.4.90.0090.00916.63
7.4.80.0130.00319.39
7.4.70.0130.00316.62
7.4.60.0090.01416.56
7.4.50.0060.00316.47
7.4.40.0130.00322.77
7.4.30.0090.00916.61
7.4.00.0060.01014.98
7.3.330.0020.00213.32
7.3.320.0020.00213.35
7.3.310.0030.00316.38
7.3.300.0030.00316.23
7.3.290.0070.00716.23
7.3.280.0030.01216.35
7.3.270.0070.01017.40
7.3.260.0120.00616.69
7.3.250.0070.01516.50
7.3.240.0120.00616.35
7.3.230.0000.01716.45
7.3.210.0130.00316.29
7.3.200.0120.00619.39
7.3.190.0060.01216.42
7.3.180.0060.00916.36
7.3.170.0060.00916.64
7.3.160.0100.01316.51
7.3.120.0040.01214.96
7.2.330.0000.01716.86
7.2.320.0080.00816.87
7.2.310.0120.00616.62
7.2.300.0080.00916.48
7.2.290.0080.01216.67
7.2.60.0100.00316.66
7.2.00.0040.01119.38
7.1.200.0140.00415.66
7.1.70.0040.00417.22
7.1.60.0030.01017.15
7.1.50.0060.01916.84
7.1.00.0000.07722.43
7.0.200.0000.00916.53
7.0.140.0030.07322.00
7.0.60.0100.08019.90
7.0.50.0070.08017.88
7.0.40.0000.09020.25
7.0.30.0530.07320.08
7.0.20.0300.04720.30
7.0.10.0370.07320.22
7.0.00.0130.06020.30
5.6.280.0030.07321.08
5.6.210.0100.07020.65
5.6.200.0100.08018.16
5.6.190.0030.05020.55
5.6.180.0170.04320.60
5.6.170.0130.04720.50
5.6.160.0070.04320.50
5.6.150.0130.07318.13
5.6.140.0130.07318.28
5.6.130.0030.06318.12
5.6.120.0070.03720.97
5.6.110.0130.08321.12
5.6.100.0130.03721.02
5.6.90.0000.04720.98
5.6.80.0030.04020.43
5.6.70.4170.03320.41
5.5.350.0130.08020.38
5.5.340.0100.03318.01
5.5.330.0070.05320.26
5.5.320.0270.04320.52
5.5.310.0400.05020.20
5.5.300.0030.04017.98
5.5.290.0070.03718.05
5.5.280.0030.05320.80
5.5.270.0130.03020.77
5.5.260.0170.07320.86
5.5.250.0070.04720.78
5.5.240.3730.03320.16
5.4.450.0970.04019.28
5.4.440.1270.05319.55
5.4.430.0730.04319.54
5.4.420.0970.04019.40
5.4.410.1330.03719.28
5.4.400.0870.03318.95
5.4.390.0670.03719.24
5.4.380.0330.05718.46
5.4.370.0370.05318.76
5.4.360.0230.05718.77
5.4.350.0270.06018.72
5.4.340.0370.04318.47
5.4.320.0080.03512.50
5.4.310.0050.04112.50
5.4.300.0080.03412.50
5.4.290.0070.03612.50
5.4.280.0070.03512.40
5.4.270.0130.06718.84
5.4.260.0030.05718.93
5.4.250.0100.06318.88
5.4.240.0100.05318.88
5.4.230.0030.06018.92
5.4.220.0100.06018.65
5.4.210.0100.05719.00
5.4.200.0100.07319.00
5.4.190.0070.08018.74
5.4.180.0130.05018.93
5.4.170.0130.05718.77
5.4.160.0130.04718.96
5.4.150.0130.06318.94
5.4.140.0130.06316.35
5.4.130.0000.05316.54
5.4.120.0030.05316.46
5.4.110.0100.06716.59
5.4.100.0100.06016.42
5.4.90.0030.05316.41
5.4.80.0070.05016.50
5.4.70.0100.06016.45
5.4.60.0070.05016.50
5.4.50.0070.07016.34
5.4.40.0170.04016.45
5.4.30.0130.05316.39
5.4.20.0070.05716.38
5.4.10.0030.06316.63
5.4.00.0100.05016.00
5.3.290.0090.03712.80
5.3.280.0030.05314.72
5.3.270.0130.06714.61
5.3.260.0130.04714.68
5.3.250.0070.06014.68
5.3.240.0130.06314.76
5.3.230.0070.05014.67
5.3.220.0130.05314.74
5.3.210.0070.06314.64
5.3.200.0130.05314.70
5.3.190.0200.05014.58
5.3.180.0070.06314.64
5.3.170.0130.04714.63
5.3.160.0070.05714.56
5.3.150.0000.07014.75
5.3.140.0200.05014.38
5.3.130.0130.06014.52
5.3.120.0130.05714.56
5.3.110.0030.05714.53
5.3.100.0130.05314.04
5.3.90.0030.05313.86
5.3.80.0100.06314.09
5.3.70.0130.04313.94
5.3.60.0070.04713.83
5.3.50.0170.04314.11
5.3.40.0170.05713.97
5.3.30.0070.07014.07
5.3.20.0070.05713.68
5.3.10.0170.05013.73
5.3.00.0070.07013.86
5.2.170.0100.04011.21
5.2.160.0070.04011.14
5.2.150.0200.05011.11
5.2.140.0030.04311.13
5.2.130.0030.04311.27
5.2.120.0100.03311.16
5.2.110.0070.04011.17
5.2.100.0070.04311.18
5.2.90.0130.05011.18
5.2.80.0000.05311.17
5.2.70.0000.04311.15
5.2.60.0070.04010.96
5.2.50.0030.04710.99
5.2.40.0030.04011.10
5.2.30.0100.03711.13
5.2.20.0100.03310.87
5.2.10.0070.03710.84
5.2.00.0070.03710.72
5.1.60.0000.04010.09
5.1.50.0100.02710.07
5.1.40.0000.03710.13
5.1.30.0070.03710.50
5.1.20.0070.04010.32
5.1.10.0030.03710.04
5.1.00.0070.03710.04
5.0.50.0030.0308.73
5.0.40.0070.0238.50
5.0.30.0000.0478.18
5.0.20.0070.0278.20
5.0.10.0070.0308.26
5.0.00.0000.0438.12
4.4.90.0070.0207.20
4.4.80.0070.0277.20
4.4.70.0000.0237.20
4.4.60.0000.0277.20
4.4.50.0100.0237.20
4.4.40.0030.0377.20
4.4.30.0030.0277.20
4.4.20.0030.0207.20
4.4.10.0070.0177.20
4.4.00.0070.0307.20
4.3.110.0070.0207.20
4.3.100.0030.0207.20
4.3.90.0030.0207.20
4.3.80.0030.0307.20
4.3.70.0030.0207.20
4.3.60.0030.0277.20
4.3.50.0130.0177.20
4.3.40.0030.0307.20
4.3.30.0100.0207.20
4.3.20.0030.0237.20
4.3.10.0030.0277.20
4.3.00.0030.01713.33

preferences:
45.74 ms | 401 KiB | 5 Q