3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ static function test(){ static $a = 0; static $b = null; if($b === null) { $b = array(); } $b[] = $a; $a++; print_r($b); } } A::test(); A::test(); A::test(); A::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)
8.3.60.0160.00316.63
8.3.50.0070.01422.05
8.3.40.0090.00618.84
8.3.30.0040.01118.87
8.3.20.0000.00720.34
8.3.10.0040.00421.95
8.3.00.0030.00619.25
8.2.180.0150.00818.17
8.2.170.0090.00622.96
8.2.160.0030.01020.55
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00419.44
8.2.110.0030.00619.27
8.2.100.0080.00417.75
8.2.90.0080.00019.12
8.2.80.0050.00317.97
8.2.70.0000.00917.71
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0030.00520.01
8.2.30.0040.00418.13
8.2.20.0080.00017.80
8.2.10.0040.00417.96
8.2.00.0000.00717.68
8.1.280.0200.00325.92
8.1.270.0040.00420.81
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0060.00322.19
8.1.230.0090.00317.78
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0060.00317.36
8.1.180.0000.00818.10
8.1.170.0050.00318.56
8.1.160.0050.00221.99
8.1.150.0000.00718.89
8.1.140.0040.00417.40
8.1.130.0030.00317.86
8.1.120.0070.00017.36
8.1.110.0000.00717.49
8.1.100.0030.00317.40
8.1.90.0040.00317.35
8.1.80.0040.00317.37
8.1.70.0080.00017.39
8.1.60.0030.00517.54
8.1.50.0030.00617.53
8.1.40.0040.00417.54
8.1.30.0040.00417.62
8.1.20.0040.00417.60
8.1.10.0000.00817.54
8.1.00.0050.00317.43
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0000.00818.38
8.0.270.0030.00517.24
8.0.260.0030.00317.19
8.0.250.0040.00416.91
8.0.240.0060.00017.02
8.0.230.0000.00716.86
8.0.220.0040.00416.82
8.0.210.0000.00716.77
8.0.200.0030.00316.89
8.0.190.0000.00816.85
8.0.180.0030.00516.95
8.0.170.0000.00716.95
8.0.160.0050.00316.96
8.0.150.0030.00316.89
8.0.140.0000.00716.84
8.0.130.0030.00313.30
8.0.120.0000.00716.87
8.0.110.0000.00716.76
8.0.100.0000.00816.91
8.0.90.0040.00416.72
8.0.80.0030.01316.86
8.0.70.0050.00316.85
8.0.60.0000.00716.79
8.0.50.0000.00716.75
8.0.30.0060.01417.01
8.0.20.0080.01017.40
8.0.10.0070.00017.08
8.0.00.0120.00916.85
7.4.330.0050.00015.13
7.4.320.0060.00016.59
7.4.300.0070.00016.57
7.4.290.0070.00016.43
7.4.280.0070.00016.46
7.4.270.0070.00016.56
7.4.260.0030.00316.62
7.4.250.0050.00316.41
7.4.240.0020.00516.58
7.4.230.0030.00316.69
7.4.220.0140.01316.55
7.4.210.0090.00516.62
7.4.200.0070.00016.29
7.4.160.0110.00716.34
7.4.150.0120.00617.40
7.4.140.0130.00717.86
7.4.130.0110.00816.51
7.4.120.0110.00716.42
7.4.110.0120.00616.49
7.4.100.0000.01816.59
7.4.90.0180.00016.48
7.4.80.0160.00619.39
7.4.70.0130.00316.51
7.4.60.0140.00316.58
7.4.50.0000.00816.56
7.4.40.0170.00016.54
7.4.30.0140.00616.45
7.4.00.0130.00315.12
7.3.330.0050.00013.17
7.3.320.0170.00013.21
7.3.310.0000.00716.35
7.3.300.0030.00316.35
7.3.290.0030.00316.36
7.3.280.0140.00416.34
7.3.270.0070.01017.40
7.3.260.0130.00316.58
7.3.250.0080.01016.48
7.3.240.0100.00716.42
7.3.230.0120.00616.42
7.3.210.0070.01116.51
7.3.200.0110.01119.39
7.3.190.0040.01216.38
7.3.180.0030.01216.55
7.3.170.0100.00716.57
7.3.160.0030.01716.64
7.2.330.0100.00716.68
7.2.320.0130.00316.78
7.2.310.0070.01716.50
7.2.300.0110.00716.60
7.2.290.0060.01716.61
7.2.60.0070.00716.55
7.2.00.0060.00619.32
7.1.200.0080.00015.45
7.1.100.0040.00817.77
7.1.70.0040.00417.00
7.1.60.0090.01619.50
7.1.50.0070.01716.83
7.1.00.0100.07022.41
7.0.200.0040.00416.69
7.0.140.0000.08022.07
7.0.60.0100.08719.93
7.0.50.0070.08017.88
7.0.40.0100.07320.42
7.0.30.0400.04320.19
7.0.20.0270.03720.22
7.0.10.0330.07320.30
7.0.00.0100.06320.07
5.6.280.0030.07321.11
5.6.210.0030.04020.50
5.6.200.0130.04318.23
5.6.190.0070.04320.61
5.6.180.0200.04020.65
5.6.170.0230.07320.44
5.6.160.0100.08020.54
5.6.150.0070.07318.18
5.6.140.0130.07018.18
5.6.130.0000.04718.18
5.6.120.0030.04721.08
5.6.110.0100.08021.02
5.6.100.0100.08321.01
5.6.90.0070.06020.96
5.6.80.0070.08720.51
5.6.70.0330.06720.27
5.5.350.0230.06020.30
5.5.340.0130.06317.99
5.5.330.0070.05720.31
5.5.320.0130.04020.47
5.5.310.0300.06020.30
5.5.300.0100.05318.08
5.5.290.0030.04718.07
5.5.280.0230.07020.77
5.5.270.0000.04320.88
5.5.260.0100.08020.97
5.5.250.0130.07320.68
5.5.240.0100.05720.24
5.4.450.2430.04319.52
5.4.440.2700.04019.16
5.4.430.2530.04719.57
5.4.420.2500.03719.52
5.4.410.2500.03719.29
5.4.400.2430.03719.16
5.4.390.2500.04719.16
5.4.380.2770.03718.98
5.4.370.2870.03318.89
5.4.360.2530.03719.05
5.4.350.2500.03018.97
5.4.340.2300.04318.84
5.4.320.2970.04019.14
5.4.310.2630.03718.84
5.4.300.2600.04319.22
5.4.290.2430.04018.99
5.4.280.2670.03019.19
5.4.270.2600.03718.98
5.4.260.2530.03718.95
5.4.250.2030.03019.07
5.4.240.2670.04018.86
5.4.230.2570.04018.96
5.4.220.2700.03718.87
5.4.210.2470.03319.21
5.4.200.2730.04019.33
5.4.190.2900.03719.07
5.4.180.2470.03719.08
5.4.170.2530.03719.19
5.4.160.1130.05319.04
5.4.150.0070.07319.21
5.4.140.0030.07716.39
5.4.130.0570.06716.38
5.4.120.2700.03316.48
5.4.110.2730.04316.51
5.4.100.2800.03316.55
5.4.90.2500.03716.46
5.4.80.2670.03716.40
5.4.70.2700.03716.18
5.4.60.2770.03316.49
5.4.50.3400.05016.53
5.4.40.2970.03716.55
5.4.30.3100.03316.42
5.4.20.2830.03016.43
5.4.10.3070.03716.50
5.4.00.2700.03315.83
5.3.290.2670.03314.71
5.3.280.2500.03714.66
5.3.270.2630.03714.75
5.3.260.2930.03714.83
5.3.250.2770.04014.61
5.3.240.2800.04014.62
5.3.230.2600.03314.50
5.3.220.2930.04314.57
5.3.210.2470.04314.65
5.3.200.2570.03714.58
5.3.190.2670.04014.48
5.3.180.2770.03714.68
5.3.170.2770.04314.56
5.3.160.2600.03714.61
5.3.150.1230.04014.57
5.3.140.0000.04014.68
5.3.130.0070.05014.52
5.3.120.0400.06314.62
5.3.110.2770.03314.46
5.3.100.2800.04314.02
5.3.90.2570.04014.00
5.3.80.2470.03314.04
5.3.70.2800.03714.03
5.3.60.2570.03014.14
5.3.50.2730.04014.06
5.3.40.2530.03314.06
5.3.30.2830.04013.96
5.3.20.2470.03713.62
5.3.10.2700.03013.80
5.3.00.2330.04013.55
5.2.170.2100.03011.23
5.2.160.2230.03011.20
5.2.150.1970.03011.23
5.2.140.1830.03311.22
5.2.130.2070.02711.11
5.2.120.2100.02311.19
5.2.110.2270.03311.21
5.2.100.2070.02711.18
5.2.90.1900.02711.13
5.2.80.1900.03011.32
5.2.70.2100.02711.18
5.2.60.2000.03011.07
5.2.50.2030.02710.95
5.2.40.1570.02711.11
5.2.30.1630.03010.87
5.2.20.1470.03011.07
5.2.10.1870.03010.91
5.2.00.1730.03010.71
5.1.60.1630.02710.08
5.1.50.1630.02710.15
5.1.40.1700.02310.07
5.1.30.1800.02310.26
5.1.20.1770.03010.44
5.1.10.1900.03010.12
5.1.00.1700.03010.20
5.0.50.1000.0278.48
5.0.40.0870.0208.32
5.0.30.0830.0308.13
5.0.20.0800.0178.36
5.0.10.0970.0278.08
5.0.00.1070.0408.39
4.4.90.0930.0138.00
4.4.80.0830.0178.00
4.4.70.0800.0178.00
4.4.60.1000.0278.00
4.4.50.0970.0178.00
4.4.40.0970.0308.00
4.4.30.0800.0178.00
4.4.20.0930.0138.00
4.4.10.1030.0208.00
4.4.00.0830.0238.00
4.3.110.0470.0178.00
4.3.100.0830.0138.00
4.3.90.0800.0178.00
4.3.80.0800.0238.00
4.3.70.0770.0178.00
4.3.60.0830.0138.00
4.3.50.0800.0138.00
4.3.40.0800.0238.00
4.3.30.0500.0238.00
4.3.20.0470.0238.00
4.3.10.0400.0138.00
4.3.00.0400.0138.00

preferences:
43.62 ms | 401 KiB | 5 Q