3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var) { debug_zval_dump($var); $GLOBALS['a']++; //$GLOBALS['var']++; echo $var; echo $GLOBALS['a']; echo $GLOBALS['var']; } $a = 0; test($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)
8.3.60.0180.00318.55
8.3.50.0110.00717.92
8.3.40.0160.00018.61
8.3.30.0070.00719.15
8.3.20.0070.00020.20
8.3.10.0000.00822.09
8.3.00.0040.00422.52
8.2.180.0110.01116.63
8.2.170.0070.01022.96
8.2.160.0070.00720.80
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0110.00726.16
8.2.120.0000.00819.25
8.2.110.0090.00022.30
8.2.100.0060.01217.76
8.2.90.0000.00819.22
8.2.80.0060.00317.97
8.2.70.0050.00517.75
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0040.00418.12
8.2.30.0050.00517.96
8.2.20.0070.00017.55
8.2.10.0000.00817.74
8.2.00.0040.00417.58
8.1.270.0140.00022.04
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0040.00423.96
8.1.230.0040.00819.18
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0060.00317.53
8.1.180.0040.00418.10
8.1.170.0000.00818.65
8.1.160.0040.00421.99
8.1.150.0040.00418.63
8.1.140.0040.00417.35
8.1.130.0050.00317.78
8.1.120.0070.00317.36
8.1.110.0030.00517.43
8.1.100.0040.00417.45
8.1.90.0050.00317.50
8.1.80.0040.00417.37
8.1.70.0030.00317.38
8.1.60.0040.00417.47
8.1.50.0000.00717.48
8.1.40.0000.00817.40
8.1.30.0040.00417.56
8.1.20.0040.00417.66
8.1.10.0000.00817.46
8.1.00.0000.00717.43
8.0.300.0050.00218.77
8.0.290.0040.00417.18
8.0.280.0080.00018.36
8.0.270.0030.00317.29
8.0.260.0030.00316.89
8.0.250.0030.00316.89
8.0.240.0000.00716.92
8.0.230.0070.00017.01
8.0.220.0030.00317.01
8.0.210.0000.00716.98
8.0.200.0000.00717.01
8.0.190.0000.00716.98
8.0.180.0000.00916.92
8.0.170.0040.00416.86
8.0.160.0000.00817.00
8.0.150.0030.00316.78
8.0.140.0040.00416.82
8.0.130.0050.00013.46
8.0.120.0000.00816.83
8.0.110.0040.00416.88
8.0.100.0030.00516.72
8.0.90.0000.00716.81
8.0.80.0070.00716.97
8.0.70.0070.00016.98
8.0.60.0030.00316.86
8.0.50.0000.00816.83
8.0.30.0100.01217.13
8.0.20.0170.00917.40
8.0.10.0000.00717.10
8.0.00.0100.01016.72
7.4.330.0000.00515.00
7.4.320.0030.00316.59
7.4.300.0030.00316.63
7.4.290.0070.00016.39
7.4.280.0000.00716.38
7.4.270.0030.00316.60
7.4.260.0060.00316.35
7.4.250.0000.00716.55
7.4.240.0050.00216.48
7.4.230.0000.00716.48
7.4.220.0060.01216.51
7.4.210.0100.00716.56
7.4.200.0030.00316.68
7.4.190.0050.00316.66
7.4.160.0130.00316.41
7.4.150.0130.00717.40
7.4.140.0120.00617.86
7.4.130.0080.01016.66
7.4.120.0130.00716.44
7.4.110.0140.00416.64
7.4.100.0090.00916.62
7.4.90.0030.01716.55
7.4.80.0160.00619.39
7.4.70.0150.00316.46
7.4.60.0110.00416.47
7.4.50.0020.00216.56
7.4.40.0030.01322.77
7.4.30.0100.00716.41
7.4.00.0030.01314.98
7.3.330.0050.00013.42
7.3.320.0000.00513.46
7.3.310.0030.00316.44
7.3.300.0000.00716.38
7.3.290.0090.00616.43
7.3.280.0070.01116.45
7.3.270.0130.00317.40
7.3.260.0100.00716.54
7.3.250.0130.00416.54
7.3.240.0130.00316.41
7.3.230.0110.00516.63
7.3.210.0120.00616.55
7.3.200.0120.00919.39
7.3.190.0140.00316.48
7.3.180.0090.00616.30
7.3.170.0060.01016.52
7.3.160.0040.01316.39
7.3.120.0000.01214.96
7.3.10.0030.01016.63
7.3.00.0080.00316.43
7.2.330.0120.00916.47
7.2.320.0090.00916.44
7.2.310.0100.00616.67
7.2.300.0030.01316.55
7.2.290.0080.01316.76
7.2.130.0030.00916.75
7.2.120.0060.00916.87
7.2.110.0060.00716.76
7.2.100.0070.00516.93
7.2.90.0030.01016.80
7.2.80.0090.00317.03
7.2.70.0060.00416.94
7.2.60.0040.00816.84
7.2.50.0090.00116.92
7.2.40.0060.00416.91
7.2.30.0090.00416.92
7.2.20.0060.01016.84
7.2.10.0020.01016.98
7.2.00.0050.00516.92
7.1.250.0000.01015.73
7.1.200.0060.00315.70
7.1.100.0120.00618.13
7.1.70.0000.01016.99
7.1.60.0060.01919.82
7.1.50.0100.01317.07
7.1.00.0030.06322.37
7.0.200.0180.00016.57
7.0.140.0000.08021.97
7.0.60.0070.07719.96
7.0.50.0070.06717.90
7.0.40.0100.06020.23
7.0.30.0200.07320.16
7.0.20.0330.07320.06
7.0.10.0130.07320.05
7.0.00.0070.04020.16
5.6.280.0100.06720.78
5.6.210.0200.06720.55
5.6.200.0070.05018.18
5.6.190.0170.04320.39
5.6.180.0230.06320.55
5.6.170.0400.05320.56
5.6.160.0030.05720.55
5.6.150.0170.02718.18
5.6.140.0070.08318.18
5.6.130.0070.04718.11
5.6.120.0030.08720.98
5.6.110.0070.07320.99
5.6.100.0070.05320.98
5.6.90.0170.07720.88
5.6.80.0100.07320.54
5.6.70.4530.04320.36
5.5.350.0070.08020.30
5.5.340.0070.08018.00
5.5.330.0030.04720.47
5.5.320.0270.07020.28
5.5.310.0270.04720.49
5.5.300.0130.07018.08
5.5.290.0030.04018.09
5.5.280.0030.08720.88
5.5.270.0070.05720.79
5.5.260.0100.08320.80
5.5.250.0070.03720.61
5.5.240.0030.07320.18
5.4.450.0530.05019.21
5.4.440.0570.05719.58
5.4.430.0070.06019.21
5.4.420.0070.06019.38
5.4.410.0200.06719.36
5.4.400.0800.00018.89
5.4.390.0770.00018.50
5.4.380.0300.04718.52
5.4.370.0800.04318.78
5.4.360.0300.04318.82
5.4.350.0300.04718.74
5.4.340.0200.05718.50
5.4.320.0070.03812.51
5.4.310.0070.04312.50
5.4.300.0050.04412.51
5.4.290.0060.03812.50
5.4.280.0090.03412.40
5.4.270.0000.05718.90
5.4.260.0030.05318.63
5.4.250.0100.05019.00
5.4.240.0030.05318.96
5.4.230.0130.04718.96
5.4.220.0000.06318.75
5.4.210.0030.05318.91
5.4.200.0000.06018.92
5.4.190.0070.05718.91
5.4.180.0170.04019.05
5.4.170.0000.06018.99
5.4.160.0200.03718.84
5.4.150.0100.05018.89
5.4.140.0030.05316.56
5.4.130.0070.05016.55
5.4.120.0170.04016.32
5.4.110.0100.04716.57
5.4.100.0170.06016.55
5.4.90.0100.04316.44
5.4.80.0100.04316.50
5.4.70.0070.04716.26
5.4.60.0070.04716.50
5.4.50.0070.04716.37
5.4.40.0070.05016.48
5.4.30.0100.04316.49
5.4.20.0170.04016.45
5.4.10.0070.05016.43
5.4.00.0130.04316.04
5.3.290.0070.03812.80
5.3.280.0070.05314.75
5.3.270.0200.04014.60
5.3.260.0130.04314.67
5.3.250.0130.04314.76
5.3.240.0070.05314.43
5.3.230.0100.05314.66
5.3.220.0070.05314.64
5.3.210.0200.04014.39
5.3.200.0100.04714.53
5.3.190.0200.05714.63
5.3.180.0100.04714.66
5.3.170.0000.05314.53
5.3.160.0100.04714.62
5.3.150.0070.05014.64
5.3.140.0030.05314.73
5.3.130.0030.05714.37
5.3.120.0170.04014.70
5.3.110.0100.05014.72
5.3.100.0030.05314.12
5.3.90.0130.04014.20
5.3.80.0030.05014.02
5.3.70.0030.05014.10
5.3.60.0100.04314.04
5.3.50.0030.05014.16
5.3.40.0170.04013.85
5.3.30.0100.04314.08
5.3.20.0130.04013.77
5.3.10.0070.04713.73
5.3.00.0030.05013.80
5.2.170.0130.03311.36
5.2.160.0030.04011.22
5.2.150.0030.04311.21
5.2.140.0130.03311.21
5.2.130.0130.03011.18
5.2.120.0030.04010.93
5.2.110.0130.05711.18
5.2.100.0100.03311.10
5.2.90.0070.04011.05
5.2.80.0000.04310.92
5.2.70.0070.03711.06
5.2.60.0030.04311.01
5.2.50.0000.04311.08
5.2.40.0100.03710.98
5.2.30.0000.04311.04
5.2.20.0070.03710.94
5.2.10.0030.04010.94
5.2.00.0000.04310.79
5.1.60.0070.03010.00
5.1.50.0070.0309.91
5.1.40.0030.03310.04
5.1.30.0130.02710.48
5.1.20.0100.03010.35
5.1.10.0100.03010.16
5.1.00.0070.03710.11
5.0.50.0000.0308.49
5.0.40.0070.0238.40
5.0.30.0030.0408.37
5.0.20.0030.0278.14
5.0.10.0000.0308.41
5.0.00.0070.0408.21
4.4.90.0070.0177.24
4.4.80.0000.0237.24
4.4.70.0070.0177.24
4.4.60.0070.0177.24
4.4.50.0000.0237.24
4.4.40.0030.0337.24
4.4.30.0070.0277.24
4.4.20.0000.0237.24
4.4.10.0070.0177.24
4.4.00.0030.0307.24
4.3.110.0030.0207.24
4.3.100.0030.0207.24
4.3.90.0100.0137.24
4.3.80.0030.0307.24
4.3.70.0070.0177.24
4.3.60.0030.0177.24
4.3.50.0030.0207.24
4.3.40.0070.0277.24
4.3.30.0000.0237.24
4.3.20.0030.0207.24
4.3.10.0070.0177.24
4.3.00.0100.0207.75

preferences:
54.91 ms | 400 KiB | 5 Q