3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function foo(string $bar = null) { var_dump($bar); } foo('bar'); foo(); foo(null); foo(1);

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)
8.3.70.0090.00918.30
8.3.60.0060.01216.50
8.3.50.0080.01021.28
8.3.40.0110.01118.79
8.3.30.0070.01018.89
8.3.20.0040.00420.29
8.3.10.0080.00023.61
8.3.00.0040.00423.56
8.2.190.0070.01016.58
8.2.180.0150.00016.88
8.2.170.0060.00922.96
8.2.160.0150.00420.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00420.79
8.2.120.0040.00426.35
8.2.110.0070.00319.31
8.2.100.0000.01217.80
8.2.90.0050.00219.05
8.2.80.0080.00017.97
8.2.70.0030.00617.38
8.2.60.0000.00817.91
8.2.50.0040.00418.09
8.2.40.0030.00920.38
8.2.30.0040.00419.34
8.2.20.0000.00917.63
8.2.10.0040.00417.98
8.2.00.0030.00618.00
8.1.280.0040.01125.92
8.1.270.0070.00722.14
8.1.260.0080.00028.09
8.1.250.0050.00328.09
8.1.240.0000.00922.49
8.1.230.0060.00619.04
8.1.220.0000.00817.74
8.1.210.0090.00018.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0050.00318.56
8.1.160.0050.00220.59
8.1.150.0000.00820.40
8.1.140.0050.00319.30
8.1.130.0030.00517.42
8.1.120.0030.00517.29
8.1.110.0030.00517.30
8.1.100.0000.00917.41
8.1.90.0040.00417.32
8.1.80.0040.00417.36
8.1.70.0040.00417.38
8.1.60.0030.00517.48
8.1.50.0000.00817.50
8.1.40.0080.00417.36
8.1.30.0050.00317.59
8.1.20.0040.00417.45
8.1.10.0060.00317.38
8.1.00.0030.00517.46
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0000.00718.31
8.0.270.0030.00317.20
8.0.260.0050.00217.24
8.0.250.0000.00716.89
8.0.240.0030.00317.02
8.0.230.0020.00516.93
8.0.220.0000.00716.92
8.0.210.0000.00716.86
8.0.200.0030.00316.92
8.0.190.0030.00616.86
8.0.180.0000.00716.95
8.0.170.0040.00416.84
8.0.160.0070.00016.93
8.0.150.0070.00416.66
8.0.140.0070.00016.73
8.0.130.0030.00313.24
8.0.120.0040.00416.84
8.0.110.0040.00416.85
8.0.100.0000.00816.95
8.0.90.0040.00417.00
8.0.80.0040.01116.91
8.0.70.0040.00416.79
8.0.60.0040.00416.75
8.0.50.0000.00716.83
8.0.30.0120.00517.09
8.0.20.0100.01017.40
8.0.10.0040.00416.77
8.0.00.0100.00716.70
7.4.330.0030.00316.85
7.4.320.0030.00316.37
7.4.300.0040.00416.45
7.4.290.0000.00716.44
7.4.280.0040.00416.55
7.4.270.0000.00716.42
7.4.260.0030.00316.36
7.4.250.0050.00316.30
7.4.240.0000.00716.43
7.4.230.0080.00016.51
7.4.220.0060.01216.44
7.4.210.0060.00916.63
7.4.200.0000.00716.34
7.4.160.0070.01016.46
7.4.150.0170.00917.40
7.4.140.0130.01317.86
7.4.130.0110.00616.46
7.4.120.0040.01616.39
7.4.110.0100.00716.49
7.4.100.0080.00816.50
7.4.90.0150.00316.41
7.4.80.0120.00619.39
7.4.70.0130.00716.41
7.4.60.0100.00616.55
7.4.50.0030.01316.45
7.4.40.0110.00716.55
7.4.30.0120.00616.59
7.4.00.0050.01214.86
7.3.330.0050.00013.12
7.3.320.0000.00613.23
7.3.310.0000.00716.29
7.3.300.0000.00716.25
7.3.290.0120.00616.31
7.3.280.0070.01016.29
7.3.270.0050.01417.40
7.3.260.0090.00916.43
7.3.250.0110.00516.33
7.3.240.0060.01116.48
7.3.230.0170.00416.39
7.3.210.0140.00316.38
7.3.200.0160.00019.39
7.3.190.0060.01216.29
7.3.180.0060.01216.37
7.3.170.0060.01516.32
7.3.160.0130.00916.42
7.3.120.0090.00614.96
7.3.110.0060.00914.85
7.3.100.0070.01014.93
7.3.90.0070.01014.63
7.3.80.0040.00715.07
7.3.70.0110.00014.67
7.3.60.0080.00414.82
7.3.50.0000.01614.67
7.3.40.0070.01014.87
7.3.30.0060.00914.55
7.3.20.0030.01016.53
7.3.10.0070.00316.54
7.3.00.0060.00616.36
7.2.330.0030.01716.64
7.2.320.0120.00616.40
7.2.310.0030.01516.50
7.2.300.0110.01116.32
7.2.290.0080.00816.30
7.2.250.0070.01014.88
7.2.240.0130.00614.77
7.2.230.0060.01215.08
7.2.220.0140.00314.75
7.2.210.0090.00614.87
7.2.200.0000.01314.71
7.2.190.0030.01014.93
7.2.180.0040.00714.61
7.2.170.0110.00714.88
7.2.60.0040.01116.32
7.2.00.0080.00819.14
7.1.330.0070.00715.66
7.1.320.0040.00815.84
7.1.310.0060.00616.02
7.1.300.0000.01415.86
7.1.290.0110.00015.57
7.1.280.0030.01015.71
7.1.270.0070.00315.68
7.1.260.0090.00615.73
7.1.200.0060.01215.36
7.1.100.0080.00318.25
7.1.70.0030.00716.95
7.1.60.0000.02419.28
7.1.50.0080.00316.95
7.1.00.0070.07322.46
7.0.200.0000.01016.90
7.0.60.0030.08021.69
7.0.50.0130.07717.88
7.0.40.0030.08720.18
7.0.30.0500.04720.25
7.0.20.0400.07720.19
7.0.10.0130.06320.16
7.0.00.0070.06320.11
5.6.280.0000.07021.11
5.6.210.0100.07720.52
5.6.200.0100.08018.15
5.6.190.0070.08720.55
5.6.180.0130.05020.64
5.6.170.0400.06020.51
5.6.160.0130.08020.57
5.6.150.0070.03718.27
5.6.140.0130.07318.23
5.6.130.0070.07318.18
5.6.120.0030.08721.14
5.6.110.0130.08020.99
5.6.100.0030.08021.00
5.6.90.0100.08020.97
5.6.80.0070.07720.36
5.5.350.4200.04020.45
5.5.340.0030.05317.98
5.5.330.0070.08720.29
5.5.320.0530.04320.36
5.5.310.0300.04020.19
5.5.300.0070.07718.09
5.5.290.0130.07017.95
5.5.280.0000.04320.96
5.5.270.0030.04020.87
5.5.260.0170.07720.79
5.5.250.0030.08320.50
5.5.240.0030.03720.23

preferences:
63.8 ms | 402 KiB | 5 Q