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)
8.3.60.0100.00318.67
8.3.50.0140.00622.11
8.3.40.0040.01118.84
8.3.30.0070.00719.13
8.3.20.0040.00420.16
8.3.10.0040.00421.90
8.3.00.0040.00422.34
8.2.180.0140.00716.50
8.2.170.0170.00022.96
8.2.160.0110.00420.57
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0120.00626.16
8.2.120.0040.00419.25
8.2.110.0040.00721.00
8.2.100.0040.00717.78
8.2.90.0060.00319.41
8.2.80.0080.00018.73
8.2.70.0040.00417.61
8.2.60.0060.00318.03
8.2.50.0050.00518.07
8.2.40.0050.00218.28
8.2.30.0030.00618.10
8.2.20.0000.00717.72
8.2.10.0040.00417.58
8.2.00.0000.00817.72
8.1.280.0030.01725.92
8.1.270.0040.00422.14
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0100.00019.21
8.1.230.0000.01221.11
8.1.220.0030.00617.74
8.1.210.0120.00018.99
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0000.00818.46
8.1.160.0000.00718.86
8.1.150.0040.00418.55
8.1.140.0070.00017.43
8.1.130.0000.00717.86
8.1.120.0090.00017.35
8.1.110.0040.00417.44
8.1.100.0000.00717.37
8.1.90.0050.00317.50
8.1.80.0000.00717.37
8.1.70.0030.00317.47
8.1.60.0030.00617.58
8.1.50.0000.00717.42
8.1.40.0000.00717.36
8.1.30.0000.00717.61
8.1.20.0050.00217.57
8.1.10.0040.00417.49
8.1.00.0040.00417.44
8.0.300.0000.00720.08
8.0.290.0000.00716.75
8.0.280.0000.00718.36
8.0.270.0070.00017.23
8.0.260.0000.00616.79
8.0.250.0030.00316.96
8.0.240.0040.00417.08
8.0.230.0030.00316.91
8.0.220.0070.00016.85
8.0.210.0030.00316.86
8.0.200.0030.00316.96
8.0.190.0000.00717.02
8.0.180.0090.00017.03
8.0.170.0030.00516.98
8.0.160.0000.00716.81
8.0.150.0000.00916.94
8.0.140.0030.00616.91
8.0.130.0050.00013.40
8.0.120.0050.00316.94
8.0.110.0050.00316.80
8.0.100.0040.00416.87
8.0.90.0000.00716.99
8.0.80.0080.00616.93
8.0.70.0000.00816.86
8.0.60.0000.00816.77
8.0.50.0040.00416.99
8.0.30.0120.01117.08
8.0.20.0080.01217.40
8.0.10.0050.00316.96
8.0.00.0160.00616.73
7.4.330.0000.00515.16
7.4.320.0000.00616.55
7.4.300.0030.00316.58
7.4.290.0000.00716.61
7.4.280.0030.00316.51
7.4.270.0030.00316.66
7.4.260.0050.00516.58
7.4.250.0040.00416.57
7.4.240.0050.00216.45
7.4.230.0040.00416.45
7.4.220.0150.00316.54
7.4.210.0100.00616.47
7.4.200.0070.00016.30
7.4.190.0030.00316.77
7.4.160.0040.01116.45
7.4.150.0080.01217.40
7.4.140.0110.01117.86
7.4.130.0110.00716.73
7.4.120.0100.00716.51
7.4.110.0070.01016.38
7.4.100.0160.00616.60
7.4.90.0110.00616.42
7.4.80.0080.00919.39
7.4.70.0030.01516.46
7.4.60.0070.00816.47
7.4.50.0040.00416.39
7.4.40.0060.00922.77
7.4.30.0130.00316.57
7.4.00.0070.00715.04
7.3.330.0030.00313.29
7.3.320.0050.00013.35
7.3.310.0000.00716.30
7.3.300.0060.00016.38
7.3.290.0100.00316.42
7.3.280.0100.00916.41
7.3.270.0000.01717.40
7.3.260.0060.01316.39
7.3.250.0140.00316.43
7.3.240.0040.01516.59
7.3.230.0030.01316.50
7.3.210.0140.00316.43
7.3.200.0080.00819.39
7.3.190.0090.01416.70
7.3.180.0060.01316.66
7.3.170.0090.00616.43
7.3.160.0060.01316.53
7.3.120.0030.01314.98
7.2.330.0120.00916.77
7.2.320.0080.01516.58
7.2.310.0030.01316.90
7.2.300.0120.00316.45
7.2.290.0070.01416.60
7.2.60.0060.00616.65
7.1.200.0000.00815.96
7.1.70.0030.00616.98
7.1.60.0130.01319.82
7.1.50.0060.01017.02
7.1.00.0030.07722.48
7.0.200.0040.00416.60
7.0.140.0030.07322.08
7.0.60.0000.04319.88
7.0.50.0070.03717.94
7.0.40.0100.04320.15
7.0.30.0430.06020.08
7.0.20.0400.06720.24
7.0.10.0400.06720.16
7.0.00.0130.08020.08
5.6.210.0170.06020.48
5.6.200.0030.04718.16
5.6.190.0000.07720.33
5.6.180.3700.04020.77
5.6.170.0200.08320.54
5.6.160.0230.04720.39
5.6.150.0030.08018.29
5.6.140.0070.04718.15
5.6.130.0170.06318.17
5.6.120.0070.08721.00
5.6.110.0070.04021.12
5.6.100.0070.04320.99
5.6.90.0000.04321.13
5.6.80.0100.03720.50
5.6.70.4370.03320.38
5.5.350.0070.07720.45
5.5.340.0070.08317.94
5.5.330.0030.04320.40
5.5.320.0200.08020.33
5.5.310.0200.04020.30
5.5.300.0070.08317.96
5.5.290.0030.08318.04
5.5.280.0030.04720.80
5.5.270.0030.04020.88
5.5.260.0130.08320.64
5.5.250.0000.08720.55
5.5.240.0100.07720.13
5.4.450.0100.05719.31
5.4.440.0170.06019.34
5.4.430.0170.04719.52
5.4.420.0100.05319.41
5.4.410.0100.05319.21
5.4.400.0830.00018.76
5.4.390.0600.00018.75
5.4.380.0170.05718.76
5.4.370.0270.05018.74
5.4.360.0300.05318.59
5.4.350.0130.06018.70
5.4.340.0170.05718.75
5.4.320.0080.03712.50
5.4.310.0080.04512.50
5.4.300.0050.03612.50
5.4.290.0060.04112.50
5.4.280.0050.03612.40
5.4.270.0130.05718.89
5.4.260.0130.04318.95
5.4.250.0170.04018.83
5.4.240.0030.05318.94
5.4.230.0130.04318.96
5.4.220.0030.05719.00
5.4.210.0030.05318.65
5.4.200.0030.07018.83
5.4.190.0130.04718.93
5.4.180.0070.05718.64
5.4.170.0000.06318.99
5.4.160.0100.05018.88
5.4.150.0100.05018.78
5.4.140.0030.05316.38
5.4.130.0100.04316.57
5.4.120.0100.04316.35
5.4.110.0070.05016.53
5.4.100.0030.05016.48
5.4.90.0070.04716.33
5.4.80.0070.04716.51
5.4.70.0070.04716.50
5.4.60.0100.04316.46
5.4.50.0070.04716.32
5.4.40.0030.05016.36
5.4.30.0130.04016.46
5.4.20.0030.05016.57
5.4.10.0100.04716.54
5.4.00.0030.05015.91
5.3.290.0060.04112.80
5.3.280.0100.04714.57
5.3.270.0070.05314.68
5.3.260.0070.05314.68
5.3.250.0070.06014.57
5.3.240.0130.04314.59
5.3.230.0000.05314.56
5.3.220.0070.05014.76
5.3.210.0030.05314.63
5.3.200.0030.05014.54
5.3.190.0070.04714.79
5.3.180.0030.05014.39
5.3.170.0100.04314.64
5.3.160.0130.04014.65
5.3.150.0000.05714.69
5.3.140.0030.05014.62
5.3.130.0030.05714.53
5.3.120.0100.04714.54
5.3.110.0170.04314.56
5.3.100.0000.05314.09
5.3.90.0100.04314.02
5.3.80.0070.04714.11
5.3.70.0070.04713.98
5.3.60.0030.05013.98
5.3.50.0030.05014.02
5.3.40.0100.04314.02
5.3.30.0100.04313.98
5.3.20.0030.06013.77
5.3.10.0070.04713.66
5.3.00.0030.05013.73
5.2.170.0070.03711.09
5.2.160.0070.03711.20
5.2.150.0100.03311.13
5.2.140.0000.04711.21
5.2.130.0030.04011.16
5.2.120.0130.03011.27
5.2.110.0030.04011.10
5.2.100.0070.03711.09
5.2.90.0170.04311.08
5.2.80.0070.03710.99
5.2.70.0030.04010.91
5.2.60.0070.03711.04
5.2.50.0070.03711.11
5.2.40.0030.04011.01
5.2.30.0030.04011.05
5.2.20.0030.04011.18
5.2.10.0170.02710.86
5.2.00.0070.03710.94
5.1.60.0070.0309.97
5.1.50.0000.03710.06
5.1.40.0070.0309.94
5.1.30.0170.03310.40
5.1.20.0030.04710.35
5.1.10.0030.03310.02
5.1.00.0030.03310.04
5.0.50.0000.0308.50
5.0.40.0070.0238.41
5.0.30.0000.0438.26
5.0.20.0070.0208.26
5.0.10.0100.0208.24
5.0.00.0030.0408.00
4.4.90.0000.0237.15
4.4.80.0030.0177.15
4.4.70.0070.0177.15
4.4.60.0070.0177.15
4.4.50.0000.0237.15
4.4.40.0100.0237.15
4.4.30.0100.0137.15
4.4.20.0070.0177.15
4.4.10.0030.0207.15
4.4.00.0000.0337.15
4.3.110.0030.0207.15
4.3.100.0000.0237.15
4.3.90.0000.0207.15
4.3.80.0000.0337.15
4.3.70.0000.0237.15
4.3.60.0030.0277.15
4.3.50.0030.0207.15
4.3.40.0030.0307.15
4.3.30.0030.0207.15
4.3.20.0030.0207.15
4.3.10.0000.0237.15
4.3.00.0130.0177.75

preferences:
43.47 ms | 401 KiB | 5 Q