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)
8.3.60.0140.00018.45
8.3.50.0060.01222.02
8.3.40.0070.00718.89
8.3.30.0080.00818.51
8.3.20.0070.00020.34
8.3.10.0040.00421.85
8.3.00.0100.00017.63
8.2.180.0070.00725.92
8.2.170.0040.01122.96
8.2.160.0080.00519.37
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00422.25
8.2.120.0000.00726.35
8.2.110.0060.00320.97
8.2.100.0090.00317.97
8.2.90.0050.00317.59
8.2.80.0090.00018.86
8.2.70.0000.00817.63
8.2.60.0000.00918.03
8.2.50.0090.00018.16
8.2.40.0000.00822.28
8.2.30.0000.00819.20
8.2.20.0070.00017.74
8.2.10.0030.00518.16
8.2.00.0040.00418.16
8.1.280.0110.00425.92
8.1.270.0000.00823.97
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0040.00422.00
8.1.230.0000.01020.92
8.1.220.0060.00318.74
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0050.00317.22
8.1.180.0030.00518.10
8.1.170.0000.00818.59
8.1.160.0000.00823.92
8.1.150.0040.00420.65
8.1.140.0040.00419.41
8.1.130.0000.00717.62
8.1.120.0070.00017.35
8.1.110.0080.00017.34
8.1.100.0070.00017.41
8.1.90.0040.00417.21
8.1.80.0030.00517.34
8.1.70.0030.00317.38
8.1.60.0050.00217.45
8.1.50.0040.00417.50
8.1.40.0090.00317.40
8.1.30.0040.00417.61
8.1.20.0030.00517.53
8.1.10.0000.00817.59
8.1.00.0040.00417.47
8.0.300.0070.00019.89
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0000.00717.28
8.0.260.0060.00017.16
8.0.250.0000.00816.93
8.0.240.0060.00316.91
8.0.230.0070.00016.88
8.0.220.0030.00516.73
8.0.210.0050.00316.81
8.0.200.0030.00316.84
8.0.190.0080.00016.86
8.0.180.0030.00616.85
8.0.170.0000.00816.91
8.0.160.0070.00016.82
8.0.150.0070.00016.71
8.0.140.0000.00716.71
8.0.130.0030.00313.21
8.0.120.0040.00416.83
8.0.110.0040.00416.79
8.0.100.0030.00516.73
8.0.90.0070.00016.82
8.0.80.0170.00016.86
8.0.70.0070.00016.66
8.0.60.0040.00416.86
8.0.50.0050.00316.59
8.0.30.0110.00817.23
8.0.20.0090.01217.40
8.0.10.0000.00816.98
8.0.00.0070.01416.89
7.4.330.0000.00515.08
7.4.320.0040.00416.45
7.4.300.0000.00616.60
7.4.290.0040.00416.59
7.4.280.0040.00416.49
7.4.270.0000.01116.54
7.4.260.0000.00716.62
7.4.250.0030.00616.45
7.4.240.0070.00016.61
7.4.230.0070.00016.31
7.4.220.0060.01316.61
7.4.210.0060.01016.57
7.4.200.0040.00416.43
7.4.160.0060.00916.59
7.4.150.0140.00317.40
7.4.140.0100.00717.86
7.4.130.0040.01316.44
7.4.120.0050.01116.54
7.4.110.0100.00616.70
7.4.100.0100.01016.41
7.4.90.0140.01116.55
7.4.80.0110.00619.39
7.4.70.0030.01316.56
7.4.60.0150.00316.47
7.4.50.0060.00916.41
7.4.40.0070.01016.48
7.4.30.0130.00716.64
7.4.00.0110.00514.92
7.3.330.0030.00313.31
7.3.320.0050.00013.46
7.3.310.0070.00016.25
7.3.300.0000.00616.31
7.3.290.0070.00916.30
7.3.280.0070.01016.35
7.3.270.0150.00417.40
7.3.260.0070.00916.57
7.3.250.0100.00816.37
7.3.240.0090.00716.37
7.3.230.0110.00616.50
7.3.210.0090.01216.28
7.3.200.0070.01016.47
7.3.190.0160.00316.36
7.3.180.0120.01216.55
7.3.170.0150.00416.56
7.3.160.0030.01316.44
7.3.120.0080.00814.94
7.3.110.0050.00614.76
7.3.100.0130.00214.84
7.3.90.0090.00614.85
7.3.80.0020.00814.66
7.3.70.0100.00414.77
7.3.60.0090.00414.68
7.3.50.0030.00714.94
7.3.40.0060.00414.70
7.3.30.0090.00514.58
7.3.20.0040.00916.82
7.3.10.0030.00616.56
7.3.00.0070.00516.49
7.2.330.0120.00616.71
7.2.320.0070.01316.33
7.2.310.0080.01116.75
7.2.300.0140.00316.72
7.2.290.0030.01616.57
7.2.250.0100.00714.94
7.2.240.0060.01014.93
7.2.230.0040.00914.94
7.2.220.0040.00914.85
7.2.210.0090.00515.11
7.2.200.0040.00915.04
7.2.190.0040.00514.82
7.2.180.0050.00714.89
7.2.170.0060.00414.83
7.2.160.0080.00815.12
7.2.150.0030.00517.08
7.2.140.0100.00616.65
7.2.130.0000.01216.98
7.2.120.0030.01017.10
7.2.110.0040.00716.86
7.2.100.0030.01417.00
7.2.90.0120.00616.90
7.2.80.0100.00316.96
7.2.70.0030.00516.64
7.2.60.0080.00716.98
7.2.50.0040.00717.05
7.2.40.0000.01316.93
7.2.30.0060.00616.79
7.2.20.0030.00917.04
7.2.10.0120.00016.89
7.2.00.0030.00818.12
7.1.330.0030.01215.89
7.1.320.0070.00315.92
7.1.310.0020.01215.94
7.1.300.0020.01015.75
7.1.290.0030.00915.84
7.1.280.0040.00915.80
7.1.270.0020.01115.80
7.1.260.0000.01015.80
7.1.250.0050.00516.01
7.1.200.0090.00615.91
7.1.100.0070.00318.39
7.1.70.0050.00217.21
7.1.60.0090.00919.29
7.1.50.0090.01516.94
7.1.00.0030.07722.36
7.0.200.0450.00714.86
7.0.80.0230.05019.93
7.0.70.0100.06020.04
7.0.60.0070.06319.94
7.0.50.0170.05320.46
7.0.40.0230.04720.36
7.0.30.0130.06020.45
7.0.20.0100.06320.22
7.0.10.0200.05720.22
7.0.00.0170.05720.38
5.6.230.0130.05720.71
5.6.220.0100.06020.70
5.6.210.0130.06720.67
5.6.200.0000.07321.18
5.6.190.0070.06321.12
5.6.180.0130.05721.06
5.6.170.0070.06321.09
5.6.160.0100.06021.11
5.6.150.0070.06721.08
5.6.140.0130.05721.08
5.6.130.0200.05321.07
5.6.120.0100.06321.08
5.6.110.0130.05721.17
5.6.100.0130.06021.09
5.6.90.0070.06721.07
5.6.80.0130.05320.50
5.6.70.0170.07020.46
5.6.60.0130.05320.47
5.6.50.0100.05720.45
5.6.40.0170.05020.44
5.6.30.0170.06020.45
5.6.20.0270.04320.41
5.6.10.0130.06020.43
5.6.00.0030.09020.50
5.5.370.0200.04720.53
5.5.360.0130.08020.38
5.5.350.0130.05720.48
5.5.340.0170.07020.93
5.5.330.0230.04720.84
5.5.320.0070.06020.71
5.5.310.0000.06720.93
5.5.300.0100.06020.94
5.5.290.0100.06320.77
5.5.280.0200.05020.95
5.5.270.0070.06320.72
5.5.260.0170.06020.89
5.5.250.0200.05020.77
5.5.240.0130.06020.30
5.5.230.0130.05720.29
5.5.220.0100.05720.32
5.5.210.0200.04720.32
5.5.200.0130.05320.02
5.5.190.0170.05320.31
5.5.180.0170.08020.06
5.5.160.0170.05720.19
5.5.150.0130.05720.27
5.5.140.0130.05320.17
5.5.130.0230.04320.24
5.5.120.0070.06020.21
5.5.110.0100.05720.27
5.5.100.0100.05720.13
5.5.90.0070.05720.04
5.5.80.0270.05020.20
5.5.70.0070.06320.16
5.5.60.0130.05720.19
5.5.50.0170.04720.15
5.5.40.0130.05020.00
5.5.30.0130.05020.21
5.5.20.0170.04720.12
5.5.10.0000.06320.09
5.5.00.0030.06320.02

preferences:
65.53 ms | 401 KiB | 5 Q