3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( "1" => "A", 1 => "B", "C", ); echo count($a); // returns 2 var_dump( $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)
8.3.40.0070.00718.45
8.3.30.0090.00518.96
8.3.20.0040.00420.04
8.3.10.0030.00623.48
8.3.00.0080.00018.93
8.2.170.0070.00722.96
8.2.160.0030.01022.17
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00321.12
8.2.110.0030.00719.21
8.2.100.0110.00017.79
8.2.90.0040.00419.23
8.2.80.0030.00617.97
8.2.70.0030.00617.63
8.2.60.0040.00418.04
8.2.50.0090.00018.10
8.2.40.0030.00718.22
8.2.30.0000.00718.00
8.2.20.0040.00417.65
8.2.10.0000.00717.92
8.2.00.0040.00417.61
8.1.270.0030.00618.73
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0100.00022.28
8.1.230.0070.00417.83
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.23
8.1.180.0060.00318.10
8.1.170.0040.00418.65
8.1.160.0040.00422.11
8.1.150.0040.00418.77
8.1.140.0040.00417.39
8.1.130.0030.00317.85
8.1.120.0000.00817.39
8.1.110.0040.00417.38
8.1.100.0070.00017.42
8.1.90.0080.00017.41
8.1.80.0040.00417.38
8.1.70.0040.00417.51
8.1.60.0050.00317.57
8.1.50.0090.00017.46
8.1.40.0000.00817.39
8.1.30.0030.00517.53
8.1.20.0040.00417.60
8.1.10.0050.00317.56
8.1.00.0040.00417.38
8.0.300.0040.00418.77
8.0.290.0020.00516.63
8.0.280.0030.00318.48
8.0.270.0030.00317.24
8.0.260.0000.00617.23
8.0.250.0000.00716.96
8.0.240.0000.00816.95
8.0.230.0040.00416.84
8.0.220.0000.00816.82
8.0.210.0030.00316.75
8.0.200.0030.00316.76
8.0.190.0000.00716.84
8.0.180.0030.00516.80
8.0.170.0040.00416.78
8.0.160.0000.00816.97
8.0.150.0000.00716.86
8.0.140.0000.00716.75
8.0.130.0000.00813.35
8.0.120.0040.00416.75
8.0.110.0040.00416.87
8.0.100.0000.00816.94
8.0.90.0070.00016.85
8.0.80.0090.00616.82
8.0.70.0020.00516.69
8.0.60.0000.00716.84
8.0.50.0070.00016.84
8.0.30.0110.01117.08
8.0.20.0120.00617.42
8.0.10.0040.00416.98
8.0.00.0200.01516.68
7.4.330.0000.00515.03
7.4.320.0000.00616.39
7.4.300.0080.00016.63
7.4.290.0000.00716.50
7.4.280.0040.00416.47
7.4.270.0070.00016.50
7.4.260.0000.00716.45
7.4.250.0030.00516.45
7.4.240.0020.00516.53
7.4.230.0030.00316.29
7.4.220.0140.00416.57
7.4.210.0000.01616.59
7.4.200.0060.00316.32
7.4.160.0090.00616.51
7.4.150.0130.01317.40
7.4.140.0070.01217.86
7.4.130.0070.01016.44
7.4.120.0090.01016.56
7.4.110.0100.01316.47
7.4.100.0040.01816.66
7.4.90.0160.00616.45
7.4.80.0130.01319.39
7.4.70.0090.00916.29
7.4.60.0130.00616.45
7.4.50.0000.00916.54
7.4.40.0060.00916.43
7.4.30.0070.01116.49
7.4.00.0030.00914.88
7.3.330.0060.00013.13
7.3.320.0030.00413.07
7.3.310.0070.00016.18
7.3.300.0050.00216.17
7.3.290.0060.01016.19
7.3.280.0100.00816.15
7.3.270.0070.01117.40
7.3.260.0130.01216.45
7.3.250.0090.00916.24
7.3.240.0070.01016.24
7.3.230.0080.00816.39
7.3.210.0080.00816.49
7.3.200.0140.00719.39
7.3.190.0030.01616.13
7.3.180.0000.01516.28
7.3.170.0100.01016.43
7.3.160.0030.01216.20
7.2.330.0030.01316.66
7.2.320.0040.01416.68
7.2.310.0090.01116.62
7.2.300.0060.01716.73
7.2.290.0090.00916.57
7.2.00.0000.01419.58
7.1.200.0000.01515.72
7.1.100.0060.01118.00
7.1.70.0030.00817.25
7.1.60.0120.01219.46
7.1.50.0090.01516.81
7.1.00.0070.07022.43
7.0.200.0030.00716.73
7.0.140.0070.03321.95
7.0.60.0130.07320.02
7.0.50.0030.04017.77
7.0.40.0070.08020.30
7.0.30.0100.04720.13
7.0.20.0400.06320.30
7.0.10.0170.06320.16
7.0.00.0070.08720.16
5.6.280.0030.07320.92
5.6.210.0070.06320.76
5.6.200.0100.07718.18
5.6.190.0030.05320.56
5.6.180.0270.04320.41
5.6.170.0300.07320.42
5.6.160.0000.06320.71
5.6.150.0030.08318.21
5.6.140.0100.07018.14
5.6.130.0130.07718.07
5.6.120.0070.05721.00
5.6.110.0100.08321.09
5.6.100.0000.04321.11
5.6.90.0130.03321.06
5.6.80.0130.07320.48
5.5.350.2370.03320.34
5.5.340.0070.03317.98
5.5.330.0070.04720.57
5.5.320.0270.07720.13
5.5.310.0470.05720.29
5.5.300.0030.07017.91
5.5.290.0030.08317.95
5.5.280.0130.07720.94
5.5.270.0100.07320.75
5.5.260.0170.05020.78
5.5.250.0070.08320.46
5.5.240.0030.08320.18
5.4.450.0830.05719.64
5.4.440.0670.06019.22
5.4.430.0730.05719.21
5.4.420.0070.05719.54
5.4.410.0430.05019.53
5.4.400.0470.05719.04
5.4.390.0300.04718.46
5.4.380.0330.04718.69
5.4.370.0200.06718.72
5.4.360.0230.05318.70
5.4.350.0200.05718.57
5.4.340.0300.04718.49
5.4.320.0170.06718.68
5.4.310.0270.05318.66
5.4.300.0170.05718.56
5.4.290.0300.04318.58
5.4.280.0200.06318.69
5.4.270.0230.05318.61
5.4.260.0270.05318.48
5.4.250.0270.05318.48
5.4.240.0270.05018.48
5.4.230.0400.03718.61
5.4.220.0230.05718.56
5.4.210.0300.04718.51
5.4.200.0270.04716.66
5.4.190.0200.05718.72
5.4.180.0400.06018.45
5.4.170.0270.06018.44
5.4.160.0370.05318.46
5.4.150.0370.05718.69
5.4.140.0270.06016.16
5.4.130.0430.04316.07
5.4.120.0400.05316.20
5.4.110.0500.03716.25
5.4.100.0430.06016.12
5.4.90.0400.05716.06
5.4.80.0270.05315.98
5.4.70.0370.05316.17
5.4.60.0330.04316.22
5.4.50.0230.05016.27
5.4.40.0330.04716.05
5.4.30.0300.05016.11
5.4.20.0230.05716.27
5.4.10.0270.05016.13
5.4.00.0330.04715.71
5.3.290.0170.06314.65
5.3.280.0200.05714.54
5.3.270.0100.06714.55
5.3.260.0370.04714.69
5.3.250.0400.05014.53
5.3.240.0270.05714.58
5.3.230.0270.05014.59
5.3.220.0170.06014.64
5.3.210.0300.05014.51
5.3.200.0230.05314.47
5.3.190.0300.05014.52
5.3.180.0330.04714.52
5.3.170.0300.04714.59
5.3.160.0300.05014.55
5.3.150.0170.06314.53
5.3.140.0270.05014.50
5.3.130.0230.06014.53
5.3.120.0330.04714.63
5.3.110.0230.05714.53
5.3.100.0200.06013.96
5.3.90.0270.05013.93
5.3.80.0230.05313.96
5.3.70.0170.06014.00
5.3.60.0230.05313.98
5.3.50.0270.05013.91
5.3.40.0200.05713.94
5.3.30.0300.06713.87
5.3.20.0430.05313.61
5.3.10.0270.04713.67
5.3.00.0370.05013.71
5.2.170.0230.06011.17
5.2.160.0300.05311.11
5.2.150.0300.03711.20
5.2.140.0200.04711.11
5.2.130.0200.04711.13
5.2.120.0200.04311.06
5.2.110.0100.05311.16
5.2.100.0170.04311.24
5.2.90.0130.04711.09
5.2.80.0300.03711.23
5.2.70.0230.03711.23
5.2.60.0130.04711.03
5.2.50.0200.04311.16
5.2.40.0130.05010.93
5.2.30.0200.05010.95
5.2.20.0200.05310.96
5.2.10.0200.04710.96
5.2.00.0230.03710.72
5.1.60.0230.03310.16
5.1.50.0330.03310.09
5.1.40.0130.04310.00
5.1.30.0170.04010.35
5.1.20.0300.03010.55
5.1.10.0200.03310.10
5.1.00.0200.03710.25
5.0.50.0100.0478.57
5.0.40.0070.0438.50
5.0.30.0130.0578.39
5.0.20.0200.0308.19
5.0.10.0170.0378.30
5.0.00.0200.0438.34
4.4.90.0070.0276.76
4.4.80.0130.0236.76
4.4.70.0070.0276.76
4.4.60.0100.0206.76
4.4.50.0130.0306.76
4.4.40.0130.0336.76
4.4.30.0100.0276.76
4.4.20.0070.0276.76
4.4.10.0100.0236.76
4.4.00.0100.0376.76
4.3.110.0130.0236.76
4.3.100.0100.0236.76
4.3.90.0130.0176.76
4.3.80.0130.0306.76
4.3.70.0170.0206.76
4.3.60.0070.0206.76
4.3.50.0100.0236.76
4.3.40.0100.0336.76
4.3.30.0070.0206.76
4.3.20.0030.0276.76
4.3.10.0100.0176.76
4.3.00.0230.0207.34

preferences:
36.05 ms | 400 KiB | 5 Q