3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f($a = null, $b) { var_dump(['a' => $a, 'b' => $b]); } f('1', 'test');

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)
8.3.70.0060.01218.43
8.3.60.0140.00718.48
8.3.50.0140.00821.98
8.3.40.0110.00418.57
8.3.30.0070.00718.79
8.3.20.0070.00020.16
8.3.10.0080.00023.66
8.3.00.0050.00319.09
8.2.190.0070.01316.58
8.2.180.0140.00018.16
8.2.170.0150.00322.96
8.2.160.0070.00721.92
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00321.05
8.2.110.0030.00720.57
8.2.100.0080.00419.51
8.2.90.0040.00418.22
8.2.80.0050.00517.97
8.2.70.0040.00417.50
8.2.60.0090.00317.91
8.2.50.0030.00618.07
8.2.40.0080.00318.16
8.2.30.0000.00817.87
8.2.20.0040.00417.61
8.2.10.0040.00417.92
8.2.00.0040.00417.66
8.1.280.0100.01325.92
8.1.270.0090.00018.65
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.14
8.1.230.0070.00420.98
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0080.00018.38
8.1.160.0000.00721.85
8.1.150.0040.00418.72
8.1.140.0080.00019.22
8.1.130.0050.00217.73
8.1.120.0000.00717.27
8.1.110.0000.00917.38
8.1.100.0000.00717.37
8.1.90.0000.00817.38
8.1.80.0050.00217.26
8.1.70.0040.00417.36
8.1.60.0080.00017.57
8.1.50.0080.00017.52
8.1.40.0040.00417.51
8.1.30.0080.00017.59
8.1.20.0070.00017.59
8.1.10.0000.00717.37
8.1.00.0000.00717.47
8.0.300.0040.00420.00
8.0.290.0040.00416.63
8.0.280.0000.00718.36
8.0.270.0040.00417.11
8.0.260.0030.00317.13
8.0.250.0000.00716.95
8.0.240.0040.00416.76
8.0.230.0040.00416.85
8.0.220.0070.00016.84
8.0.210.0070.00016.80
8.0.200.0080.00016.96
8.0.190.0040.00416.89
8.0.180.0050.00316.87
8.0.170.0000.00716.73
8.0.160.0040.00316.84
8.0.150.0000.00716.80
8.0.140.0070.00016.78
8.0.130.0050.00013.26
8.0.120.0030.00616.83
8.0.110.0000.00816.75
8.0.100.0040.00416.80
8.0.90.0000.00716.87
8.0.80.0040.01316.80
8.0.70.0030.00516.92
8.0.60.0000.00716.86
8.0.50.0000.00716.70
8.0.30.0150.00817.02
8.0.20.0110.01517.40
8.0.10.0040.00416.86
8.0.00.0100.00816.65
7.4.330.0050.00015.29
7.4.320.0000.00616.39
7.4.300.0030.00316.54
7.4.290.0030.00316.43
7.4.280.0040.00416.43
7.4.270.0030.00316.42
7.4.260.0030.00316.41
7.4.250.0050.00216.48
7.4.240.0050.00216.51
7.4.230.0070.00016.37
7.4.220.0070.01116.51
7.4.210.0150.00616.43
7.4.200.0030.00616.63
7.4.160.0150.00016.50
7.4.150.0060.01217.40
7.4.140.0090.00917.86
7.4.130.0050.01116.47
7.4.120.0150.00116.55
7.4.110.0090.01216.36
7.4.100.0130.00416.45
7.4.90.0120.00416.42
7.4.80.0060.01319.39
7.4.70.0090.01516.48
7.4.60.0090.00616.43
7.4.50.0030.00316.25
7.4.40.0090.00616.29
7.4.30.0040.01916.25
7.4.00.0070.01015.10
7.3.330.0030.00313.29
7.3.320.0000.00513.30
7.3.310.0070.00016.20
7.3.300.0040.00416.30
7.3.290.0080.00816.32
7.3.280.0080.01016.24
7.3.270.0100.00717.40
7.3.260.0190.00516.26
7.3.250.0100.00816.42
7.3.240.0090.01516.39
7.3.230.0070.01016.48
7.3.210.0110.00816.27
7.3.200.0120.00919.39
7.3.190.0060.00916.53
7.3.180.0040.01216.53
7.3.170.0050.01116.41
7.3.160.0100.00616.45
7.2.330.0080.00816.25
7.2.320.0150.00516.45
7.2.310.0100.00716.39
7.2.300.0070.01016.52
7.2.290.0080.01116.78
7.2.60.0080.00316.80
7.2.00.0000.01219.15
7.1.200.0070.00315.76
7.1.100.0030.01017.80
7.1.70.0000.00817.13
7.1.60.0170.00719.46
7.1.50.0080.00816.96
7.1.00.0070.07322.36
7.0.200.0000.00816.77
7.0.140.0070.03021.99
7.0.60.0070.03719.82
7.0.50.0030.04717.87
7.0.40.0000.04720.18
7.0.30.0230.05320.06
7.0.20.0230.05720.25
7.0.10.0000.05020.30
7.0.00.0070.09020.30
5.6.280.0000.07720.89
5.6.210.0100.03720.47
5.6.200.0100.07718.16
5.6.190.0030.05320.64
5.6.180.0230.04020.63
5.6.170.0270.08320.57
5.6.160.0130.05720.46
5.6.150.0070.08018.29
5.6.140.0200.07018.15
5.6.130.0100.07718.16
5.6.120.0030.04721.13
5.6.110.0070.06321.14
5.6.100.0100.03321.00
5.6.90.0030.04021.13
5.6.80.0030.06720.41
5.5.350.4300.04320.36
5.5.340.0070.05717.97
5.5.330.0100.04320.40
5.5.320.0100.04720.30
5.5.310.0430.04720.36
5.5.300.0100.05717.97
5.5.290.0100.07717.95
5.5.280.0070.05020.89
5.5.270.0030.05320.87
5.5.260.0130.08020.85
5.5.250.0070.08020.69
5.5.240.0000.06320.27
5.4.450.3130.04319.48
5.4.440.2370.04019.41
5.4.430.3030.04019.48
5.4.420.3570.04019.55
5.4.410.3070.04019.33
5.4.400.3530.03319.08
5.4.390.3200.03719.00
5.4.380.3500.04318.85
5.4.370.3130.03319.09
5.4.360.3400.03719.16
5.4.350.0070.07319.22
5.4.340.3470.04019.24
5.4.320.3570.04318.86
5.4.310.3600.03319.22
5.4.300.4030.03719.08
5.4.290.4000.04018.88
5.4.280.3830.03719.15
5.4.270.4200.03019.21
5.4.260.3900.04019.08
5.4.250.0100.06319.07
5.4.240.1830.05319.05
5.4.230.3470.03719.05
5.4.220.3200.03019.05
5.4.210.3170.03019.08
5.4.200.3170.03719.08
5.4.190.3030.03718.98
5.4.180.3530.03719.16
5.4.170.3400.03718.98
5.4.160.3300.03719.22
5.4.150.3270.03719.04
5.4.140.3400.03716.31
5.4.130.3600.04016.35
5.4.120.3470.03716.66
5.4.110.3230.04016.35
5.4.100.3600.04316.45
5.4.90.3470.03716.46
5.4.80.3400.03716.35
5.4.70.3330.03316.34
5.4.60.3430.03316.33
5.4.50.3200.03716.48
5.4.40.3470.04016.32
5.4.30.3470.03716.23
5.4.20.3100.03016.23
5.4.10.3070.04316.34
5.4.00.4000.03715.75
5.3.290.3470.03714.71
5.3.280.3400.04014.68
5.3.270.3500.03314.68
5.3.260.3130.03714.57
5.3.250.3530.04714.64
5.3.240.3430.03714.83
5.3.230.3430.03014.68
5.3.220.3470.03714.59
5.3.210.3570.04014.54
5.3.200.3330.03014.57
5.3.190.3470.03714.68
5.3.180.3500.03714.57
5.3.170.3430.04014.54
5.3.160.3400.04014.50
5.3.150.3370.03714.55
5.3.140.3370.03314.56
5.3.130.3430.03314.66
5.3.120.3630.04314.77
5.3.110.3530.03314.54
5.3.100.3270.04313.97
5.3.90.3300.04314.10
5.3.80.3200.04013.94
5.3.70.3400.04013.94
5.3.60.3170.03313.93
5.3.50.3170.03313.85
5.3.40.3200.04013.86
5.3.30.3270.03013.93
5.3.20.3670.03713.60
5.3.10.2670.03713.74
5.3.00.3130.03713.54
5.2.170.2900.02711.30
5.2.160.2800.02711.22
5.2.150.2830.02011.05
5.2.140.2600.03311.25
5.2.130.2930.02711.00
5.2.120.2630.03011.02
5.2.110.2670.03011.11
5.2.100.2630.02711.22
5.2.90.2630.02711.01
5.2.80.2800.02711.21
5.2.70.2400.02711.01
5.2.60.3000.03311.26
5.2.50.2400.03011.01
5.2.40.2000.02311.11
5.2.30.2100.02010.90
5.2.20.1900.02711.19
5.2.10.2130.02310.98
5.2.00.2170.02010.61
5.1.60.2030.0239.91
5.1.50.1830.0279.88
5.1.40.2200.0239.91
5.1.30.2330.03010.27
5.1.20.2400.02310.46
5.1.10.2130.0209.96
5.1.00.2400.02310.14
5.0.50.1200.0239.73
5.0.40.1330.0139.73
5.0.30.1670.0309.73
5.0.20.1570.0209.73
5.0.10.1530.0179.73
5.0.00.1600.0309.73
4.4.90.0630.0209.73
4.4.80.0770.0179.73
4.4.70.1070.0139.73
4.4.60.1030.0179.73
4.4.50.0870.0139.73
4.4.40.1130.0239.73
4.4.30.1230.0179.73
4.4.20.1030.0179.73
4.4.10.1400.0209.73
4.4.00.0470.0479.73
4.3.110.1570.0179.73
4.3.100.1630.0139.73
4.3.90.1430.0179.73
4.3.80.1270.0239.73
4.3.70.1400.0139.73
4.3.60.0830.0139.73
4.3.50.1370.0139.73
4.3.40.1500.0309.73
4.3.30.0800.0379.73
4.3.20.0670.0179.73
4.3.10.0830.0239.73
4.3.00.0730.0179.73

preferences:
59.76 ms | 401 KiB | 5 Q