3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var) { debug_zval_dump($a); $GLOBALS['a']++; echo $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)
8.3.60.0150.00618.30
8.3.50.0100.00922.05
8.3.40.0130.00318.62
8.3.30.0140.00019.02
8.3.20.0090.00620.18
8.3.10.0060.00321.84
8.3.00.0040.00422.50
8.2.180.0140.00716.35
8.2.170.0090.00622.96
8.2.160.0140.00020.95
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0150.00426.16
8.2.120.0000.00819.38
8.2.110.0030.00622.27
8.2.100.0070.00419.21
8.2.90.0050.00319.17
8.2.80.0060.00317.97
8.2.70.0060.00317.50
8.2.60.0090.00317.80
8.2.50.0040.00418.07
8.2.40.0000.01018.21
8.2.30.0050.00518.08
8.2.20.0000.00717.68
8.2.10.0000.00717.61
8.2.00.0070.00017.74
8.1.280.0150.00025.92
8.1.270.0150.00022.21
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00323.87
8.1.230.0070.00419.20
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00717.23
8.1.190.0070.00017.53
8.1.180.0050.00218.10
8.1.170.0040.00418.60
8.1.160.0000.00721.92
8.1.150.0000.00718.63
8.1.140.0080.00017.51
8.1.130.0030.00317.86
8.1.120.0030.00617.48
8.1.110.0070.00017.32
8.1.100.0040.00417.33
8.1.90.0050.00217.47
8.1.80.0000.00717.49
8.1.70.0000.00817.36
8.1.60.0030.00617.47
8.1.50.0040.00417.42
8.1.40.0040.00417.50
8.1.30.0000.00717.59
8.1.20.0000.00817.58
8.1.10.0040.00417.50
8.1.00.0070.00017.38
8.0.300.0070.00018.77
8.0.290.0040.00417.04
8.0.280.0060.00018.39
8.0.270.0030.00317.18
8.0.260.0030.00316.84
8.0.250.0030.00317.02
8.0.240.0000.00717.02
8.0.230.0070.00017.08
8.0.220.0030.00317.00
8.0.210.0070.00016.98
8.0.200.0040.00417.01
8.0.190.0030.00317.00
8.0.180.0100.00217.05
8.0.170.0070.00016.86
8.0.160.0000.00816.91
8.0.150.0000.00716.94
8.0.140.0040.00416.93
8.0.130.0060.00013.27
8.0.120.0080.00016.82
8.0.110.0030.00316.91
8.0.100.0000.00716.89
8.0.90.0000.00816.96
8.0.80.0060.00916.91
8.0.70.0000.00716.81
8.0.60.0050.00316.96
8.0.50.0070.00016.98
8.0.30.0110.00816.93
8.0.20.0090.01017.40
8.0.10.0040.00417.08
8.0.00.0090.01216.86
7.4.330.0000.00515.09
7.4.320.0030.00316.49
7.4.300.0030.00316.60
7.4.290.0060.00016.49
7.4.280.0000.00716.51
7.4.270.0040.00416.65
7.4.260.0000.01116.49
7.4.250.0040.00416.57
7.4.240.0060.00116.63
7.4.230.0000.00816.61
7.4.220.0100.01416.56
7.4.210.0110.00516.57
7.4.200.0000.00716.35
7.4.190.0000.00716.64
7.4.160.0030.01316.45
7.4.150.0160.00317.40
7.4.140.0090.00917.86
7.4.130.0040.01416.52
7.4.120.0060.01116.50
7.4.110.0100.00716.44
7.4.100.0150.00716.55
7.4.90.0100.00916.45
7.4.80.0000.01819.39
7.4.70.0140.00716.68
7.4.60.0060.00916.55
7.4.50.0060.00316.62
7.4.40.0060.00622.77
7.4.30.0160.00316.61
7.4.00.0030.01215.01
7.3.330.0060.00013.30
7.3.320.0030.00313.45
7.3.310.0030.00316.52
7.3.300.0000.00716.40
7.3.290.0030.01116.39
7.3.280.0070.01016.42
7.3.270.0100.00717.40
7.3.260.0150.00616.40
7.3.250.0110.00616.42
7.3.240.0170.00016.37
7.3.230.0030.01416.39
7.3.210.0030.01316.46
7.3.200.0150.00819.39
7.3.190.0090.01316.42
7.3.180.0080.00816.43
7.3.170.0130.00316.52
7.3.160.0090.00916.50
7.3.120.0130.00314.94
7.2.330.0110.01116.40
7.2.320.0030.01916.87
7.2.310.0050.01116.43
7.2.300.0070.01016.66
7.2.290.0080.00916.48
7.2.60.0040.01116.87
7.2.00.0030.01019.39
7.1.200.0000.01315.82
7.1.100.0090.00618.36
7.1.70.0030.00817.16
7.1.60.0100.01619.82
7.1.50.0110.00316.83
7.1.00.0030.07722.35
7.0.200.0030.00616.17
7.0.140.0030.07322.04
7.0.60.0100.07019.95
7.0.50.0030.04017.85
7.0.40.0070.05320.20
7.0.30.0300.05720.09
7.0.20.0330.07320.03
7.0.10.0470.06020.10
7.0.00.0100.04320.05
5.6.280.0130.06321.08
5.6.210.0100.05020.63
5.6.200.0030.08718.25
5.6.190.0030.09320.57
5.6.180.3870.04020.50
5.6.170.0270.06720.62
5.6.160.0100.03720.71
5.6.150.0070.07318.28
5.6.140.0100.07718.12
5.6.130.0070.06718.18
5.6.120.0070.05721.14
5.6.110.0130.07721.02
5.6.100.0170.07721.01
5.6.90.0100.05320.88
5.6.80.0030.08720.29
5.6.70.3900.03720.44
5.5.350.0070.07720.44
5.5.340.0000.05317.95
5.5.330.0130.07720.31
5.5.320.0230.04320.29
5.5.310.0330.06020.19
5.5.300.0100.06018.07
5.5.290.0100.05718.04
5.5.280.0030.04320.77
5.5.270.0030.04020.74
5.5.260.0030.07320.89
5.5.250.0030.04020.59
5.5.240.0000.09020.37
5.4.450.0400.06019.54
5.4.440.0400.06319.61
5.4.430.0130.07319.63
5.4.420.0100.05319.68
5.4.410.0130.05019.33
5.4.400.0900.00018.64
5.4.390.0870.00018.63
5.4.380.0270.05718.80
5.4.370.0330.04718.50
5.4.360.0100.05018.47
5.4.350.0330.05718.47
5.4.340.0370.05018.84
5.4.320.0040.03712.50
5.4.310.0030.04712.50
5.4.300.0040.03812.51
5.4.290.0070.04012.50
5.4.280.0060.03912.40
5.4.270.0130.04318.71
5.4.260.0030.05318.86
5.4.250.0100.05018.61
5.4.240.0130.04718.71
5.4.230.0100.05018.71
5.4.220.0100.05319.05
5.4.210.0200.04018.63
5.4.200.0130.04718.84
5.4.190.0070.05018.73
5.4.180.0070.05018.77
5.4.170.0070.06318.86
5.4.160.0070.05318.84
5.4.150.0100.05018.69
5.4.140.0170.06016.50
5.4.130.0000.05316.34
5.4.120.0030.05316.43
5.4.110.0130.05316.64
5.4.100.0130.04016.29
5.4.90.0070.04716.46
5.4.80.0070.04716.51
5.4.70.0070.05016.32
5.4.60.0100.04316.38
5.4.50.0030.05016.26
5.4.40.0130.04316.26
5.4.30.0000.05716.32
5.4.20.0100.05716.53
5.4.10.0130.04716.48
5.4.00.0070.04715.99
5.3.290.0050.04012.80
5.3.280.0100.05014.68
5.3.270.0070.05314.51
5.3.260.0130.04714.82
5.3.250.0030.06714.77
5.3.240.0030.05314.43
5.3.230.0100.06314.61
5.3.220.0130.04314.47
5.3.210.0100.04714.62
5.3.200.0070.04714.39
5.3.190.0070.05014.74
5.3.180.0100.05014.62
5.3.170.0170.04014.39
5.3.160.0030.05314.54
5.3.150.0070.06714.62
5.3.140.0100.04714.77
5.3.130.0070.06314.52
5.3.120.0070.07314.63
5.3.110.0070.05314.51
5.3.100.0100.04714.02
5.3.90.0030.05314.02
5.3.80.0100.05713.92
5.3.70.0030.05713.98
5.3.60.0070.05314.17
5.3.50.0070.04713.94
5.3.40.0170.05713.77
5.3.30.0130.06013.99
5.3.20.0130.04013.91
5.3.10.0030.05013.63
5.3.00.0030.05013.80
5.2.170.0030.04711.09
5.2.160.0030.05310.97
5.2.150.0030.04311.14
5.2.140.0070.04011.36
5.2.130.0100.03710.93
5.2.120.0100.03311.09
5.2.110.0030.04011.08
5.2.100.0030.04011.16
5.2.90.0000.04311.07
5.2.80.0100.03711.16
5.2.70.0030.05010.98
5.2.60.0070.04011.05
5.2.50.0030.04011.01
5.2.40.0100.03311.16
5.2.30.0100.04010.95
5.2.20.0000.04310.94
5.2.10.0030.03710.96
5.2.00.0000.04710.80
5.1.60.0070.0339.96
5.1.50.0070.03010.23
5.1.40.0100.02710.06
5.1.30.0000.04010.41
5.1.20.0070.03310.33
5.1.10.0030.04010.13
5.1.00.0030.04010.04
5.0.50.0000.0308.51
5.0.40.0070.0238.40
5.0.30.0100.0338.21
5.0.20.0070.0238.27
5.0.10.0000.0308.27
5.0.00.0070.0378.20
4.4.90.0030.0207.24
4.4.80.0030.0207.24
4.4.70.0000.0237.24
4.4.60.0070.0207.24
4.4.50.0070.0207.24
4.4.40.0000.0337.24
4.4.30.0000.0237.24
4.4.20.0030.0207.24
4.4.10.0000.0237.24
4.4.00.0000.0337.24
4.3.110.0000.0237.24
4.3.100.0070.0177.24
4.3.90.0000.0237.24
4.3.80.0000.0337.24
4.3.70.0030.0207.24
4.3.60.0070.0137.24
4.3.50.0030.0207.24
4.3.40.0000.0407.24
4.3.30.0100.0137.24
4.3.20.0000.0237.24
4.3.10.0000.0237.24
4.3.00.0030.0277.75

preferences:
43.09 ms | 401 KiB | 5 Q