3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($a) { $page = isset($a['page']) ? a['page'] : 1; echo $page, "\n"; echo $a['page'] ?? 1; } $a = array(); foo($a); $a = array('page' => Null); foo($a); $a = array('page' => 0); foo($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)
8.3.60.0090.00618.55
8.3.50.0090.01022.04
8.3.40.0070.00719.02
8.3.30.0100.01018.66
8.3.20.0080.00020.20
8.3.10.0070.00021.90
8.3.00.0100.00019.50
8.2.180.0130.00616.63
8.2.170.0070.00722.96
8.2.160.0060.00919.30
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0050.00322.38
8.2.120.0060.00326.35
8.2.110.0060.00620.91
8.2.100.0090.00318.22
8.2.90.0040.00419.11
8.2.80.0050.00317.97
8.2.70.0100.00017.50
8.2.60.0040.00417.93
8.2.50.0000.00918.10
8.2.40.0030.00622.29
8.2.30.0050.00219.30
8.2.20.0000.00817.86
8.2.10.0040.00418.12
8.2.00.0030.00618.22
8.1.280.0070.01125.92
8.1.270.0000.00923.92
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0030.00621.27
8.1.230.0070.00417.70
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.36
8.1.190.0080.00017.36
8.1.180.0060.00318.10
8.1.170.0040.00418.61
8.1.160.0000.00722.07
8.1.150.0040.00420.69
8.1.140.0040.00419.58
8.1.130.0000.00717.74
8.1.120.0050.00317.39
8.1.110.0060.00317.49
8.1.100.0070.00017.41
8.1.90.0040.00417.53
8.1.80.0030.00517.38
8.1.70.0030.00317.35
8.1.60.0030.00517.48
8.1.50.0000.00817.50
8.1.40.0060.00617.54
8.1.30.0030.00617.66
8.1.20.0040.00417.61
8.1.10.0040.00417.62
8.1.00.0040.00417.42
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.54
8.0.270.0030.00317.13
8.0.260.0060.00017.32
8.0.250.0000.00716.92
8.0.240.0040.00417.03
8.0.230.0000.00816.98
8.0.220.0070.00017.00
8.0.210.0030.00617.02
8.0.200.0000.00617.01
8.0.190.0040.00416.95
8.0.180.0050.00316.87
8.0.170.0050.00216.85
8.0.160.0040.00417.02
8.0.150.0040.00416.79
8.0.140.0050.00216.82
8.0.130.0030.00313.34
8.0.120.0000.00916.93
8.0.110.0040.00416.98
8.0.100.0050.00216.86
8.0.90.0030.00416.81
8.0.80.0100.00716.89
8.0.70.0000.00716.83
8.0.60.0070.00016.77
8.0.50.0030.00516.82
8.0.30.0100.00817.00
8.0.20.0130.00917.40
8.0.10.0000.00717.12
8.0.00.0070.01016.70
7.4.330.0030.00315.08
7.4.320.0070.00016.61
7.4.300.0030.00316.45
7.4.290.0070.00016.64
7.4.280.0080.00016.39
7.4.270.0080.00016.46
7.4.260.0000.00716.48
7.4.250.0040.00416.49
7.4.240.0070.00016.51
7.4.230.0040.00216.60
7.4.220.0070.01816.54
7.4.210.0160.00016.61
7.4.200.0030.00316.58
7.4.160.0080.00816.67
7.4.150.0140.00317.40
7.4.140.0130.01117.86
7.4.130.0090.00816.53
7.4.120.0070.01016.67
7.4.110.0120.00616.59
7.4.100.0070.01016.57
7.4.90.0090.01016.50
7.4.80.0090.00919.39
7.4.70.0130.01016.52
7.4.60.0100.00616.57
7.4.50.0000.01516.70
7.4.40.0150.00916.48
7.4.30.0030.01416.49
7.4.00.0130.00314.68
7.3.330.0030.00313.27
7.3.320.0030.00313.30
7.3.310.0000.00616.53
7.3.300.0070.00016.41
7.3.290.0120.00516.40
7.3.280.0090.00816.41
7.3.270.0190.00317.40
7.3.260.0080.01016.48
7.3.250.0120.00516.65
7.3.240.0060.01016.47
7.3.230.0080.00816.42
7.3.210.0030.01316.41
7.3.200.0120.00616.55
7.3.190.0150.00616.55
7.3.180.0040.01316.36
7.3.170.0130.00316.62
7.3.160.0060.01116.40
7.2.330.0080.00816.32
7.2.320.0070.01516.65
7.2.310.0060.01516.70
7.2.300.0090.01216.70
7.2.290.0070.01316.81
7.2.60.0080.00016.69
7.2.00.0040.01119.61
7.1.200.0060.00315.89
7.1.70.0030.01017.14
7.1.60.0080.00317.38
7.1.50.0130.00016.69
7.1.00.0070.07322.54
7.0.200.0040.01116.69
7.0.80.0730.05320.02
7.0.70.0430.05719.96
7.0.60.0270.05020.02
7.0.50.0130.05720.32
7.0.40.0170.05320.24
7.0.30.0130.05720.22
7.0.20.0200.05020.39
7.0.10.0100.05720.35
7.0.00.0200.06320.38
5.6.230.0200.05720.51
5.6.220.0030.06320.81
5.6.210.0070.06720.83
5.6.200.0100.06321.09
5.6.190.0070.06721.07
5.6.180.0170.05321.05
5.6.170.0100.06021.20
5.6.160.0100.06321.07
5.6.150.0170.05721.11
5.6.140.0100.06321.08
5.6.130.0130.05721.05
5.6.120.0130.05721.02
5.6.110.0100.06021.10
5.6.100.0030.06721.06
5.6.90.0170.05321.08
5.6.80.0130.05320.38
5.6.70.0170.07020.37
5.6.60.0200.05320.47
5.6.50.0200.04720.53
5.6.40.0130.05020.44
5.6.30.0070.05720.54
5.6.20.0130.05320.53
5.6.10.0130.05320.41
5.6.00.0100.05720.48
5.5.370.0130.06020.43
5.5.360.0030.06320.40
5.5.350.0170.05320.55
5.5.340.0100.06020.86
5.5.330.0100.07320.95
5.5.320.0270.05320.84
5.5.310.0100.07020.94
5.5.300.0130.06320.96
5.5.290.0100.06020.95
5.5.280.0170.06020.95
5.5.270.0130.06720.92
5.5.260.0130.07020.82
5.5.250.0200.04720.74
5.5.240.0130.05020.33
5.5.230.0230.05320.27
5.5.220.0070.06020.26
5.5.210.0130.07020.34
5.5.200.0030.06020.25
5.5.190.0170.05020.30
5.5.180.0130.05320.21
5.5.160.0070.06320.30
5.5.150.0000.06320.27
5.5.140.0130.05720.23
5.5.130.0030.06320.31
5.5.120.0100.06320.31
5.5.110.0200.05720.28
5.5.100.0300.06020.22
5.5.90.0200.06720.12
5.5.80.0170.04720.01
5.5.70.0030.06720.17
5.5.60.0170.05020.06
5.5.50.0100.05020.00
5.5.40.0030.06020.16
5.5.30.0070.05720.00
5.5.20.0170.05320.16
5.5.10.0170.05020.13
5.5.00.0230.05320.09

preferences:
64.65 ms | 401 KiB | 5 Q