3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ref = new ReflectionFunction('printf'); foreach ($ref->getParameters as $parameter) { var_dump($parameter->isOptional()); }

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)
8.3.60.0070.01116.75
8.3.50.0070.01016.63
8.3.40.0110.00418.85
8.3.30.0150.00018.67
8.3.20.0020.00520.29
8.3.10.0060.00321.69
8.3.00.0090.00019.55
8.2.180.0110.00418.05
8.2.170.0110.00422.96
8.2.160.0100.00319.07
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00919.39
8.2.120.0000.00726.35
8.2.110.0000.01019.36
8.2.100.0070.00417.84
8.2.90.0000.00819.28
8.2.80.0030.00518.04
8.2.70.0090.00017.63
8.2.60.0030.00517.93
8.2.50.0000.00818.10
8.2.40.0080.00020.63
8.2.30.0030.00719.17
8.2.20.0040.00418.09
8.2.10.0000.00718.04
8.2.00.0040.00418.05
8.1.280.0140.00025.92
8.1.270.0050.00322.04
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00921.35
8.1.230.0040.00719.23
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0040.00717.48
8.1.190.0000.00817.22
8.1.180.0030.00518.10
8.1.170.0060.00318.65
8.1.160.0000.00719.06
8.1.150.0000.00718.93
8.1.140.0040.00419.48
8.1.130.0000.00718.91
8.1.120.0040.00417.48
8.1.110.0080.00017.37
8.1.100.0040.00417.36
8.1.90.0000.00817.41
8.1.80.0000.00717.46
8.1.70.0070.00017.42
8.1.60.0050.00317.61
8.1.50.0040.00417.46
8.1.40.0000.00717.35
8.1.30.0030.00617.65
8.1.20.0030.00617.62
8.1.10.0040.00417.43
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.49
8.0.270.0030.00317.17
8.0.260.0030.00316.77
8.0.250.0000.00717.00
8.0.240.0070.00016.88
8.0.230.0030.00317.01
8.0.220.0040.00416.83
8.0.210.0030.00316.98
8.0.200.0030.00317.05
8.0.190.0040.00417.01
8.0.180.0000.00716.95
8.0.170.0000.00816.89
8.0.160.0030.00317.04
8.0.150.0070.00016.79
8.0.140.0040.00416.86
8.0.130.0000.00513.38
8.0.120.0000.00716.89
8.0.110.0040.00416.89
8.0.100.0040.00416.96
8.0.90.0050.00316.83
8.0.80.0040.01116.97
8.0.70.0040.00416.81
8.0.60.0020.00516.94
8.0.50.0000.00716.93
8.0.30.0120.00616.99
8.0.20.0110.00817.40
8.0.10.0000.00716.95
8.0.00.0120.00616.52
7.4.330.0000.00615.55
7.4.320.0000.00616.48
7.4.300.0030.00316.48
7.4.290.0000.00716.55
7.4.280.0030.00516.53
7.4.270.0040.00416.57
7.4.260.0060.00013.11
7.4.250.0040.00416.48
7.4.240.0000.00816.39
7.4.230.0040.00416.34
7.4.220.0170.00316.61
7.4.210.0100.00716.51
7.4.200.0070.00016.51
7.4.160.0120.00316.60
7.4.150.0100.00717.40
7.4.140.0120.01017.86
7.4.130.0100.01016.42
7.4.120.0090.01016.63
7.4.110.0090.00916.62
7.4.100.0040.01516.23
7.4.90.0060.01016.53
7.4.80.0060.01019.39
7.4.70.0100.01316.43
7.4.60.0150.00916.57
7.4.50.0060.00916.29
7.4.40.0100.00716.64
7.4.30.0080.01216.36
7.4.00.0090.00614.89
7.3.330.0050.00013.04
7.3.320.0000.00612.98
7.3.310.0030.00316.25
7.3.300.0030.00316.19
7.3.290.0060.00816.19
7.3.280.0080.00916.19
7.3.270.0140.00317.40
7.3.260.0090.00816.18
7.3.250.0100.00716.34
7.3.240.0100.01016.30
7.3.230.0000.01916.20
7.3.210.0070.01016.31
7.3.200.0100.00716.39
7.3.190.0140.00916.37
7.3.180.0120.00416.22
7.3.170.0080.01216.44
7.3.160.0030.01316.21
7.2.330.0120.00616.34
7.2.320.0030.01516.40
7.2.310.0170.00416.44
7.2.300.0100.01016.57
7.2.290.0110.00516.75
7.2.60.0100.00316.91
7.2.00.0090.00419.41
7.1.200.0060.00315.66
7.1.100.0030.00917.84
7.1.70.0070.00717.17
7.1.60.0240.00835.09
7.1.50.0250.00934.77
7.1.40.0330.00034.36
7.1.30.0240.01034.42
7.1.20.0220.01934.39
7.1.10.0030.01516.46
7.1.00.0010.02216.69
7.0.200.0040.01116.82
7.0.190.0090.01116.48
7.0.180.0080.00616.30
7.0.170.0070.00716.26
7.0.160.0110.01116.18
7.0.150.0070.01216.52
7.0.140.0120.00916.41
7.0.130.0030.01816.41
7.0.120.0070.01416.41
7.0.110.0130.00516.22
7.0.100.0080.01216.43
7.0.90.0020.01616.50
7.0.80.0050.01016.55
7.0.70.0000.01516.30
7.0.60.0030.01316.28
7.0.50.0060.01016.47
7.0.40.0140.01216.41
7.0.30.0130.00616.41
7.0.20.0090.01216.29
7.0.10.0060.01816.45
7.0.00.0090.01116.45

preferences:
52.91 ms | 400 KiB | 5 Q