3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; print $a ?? 'b'; print "\n"; print $a ?: 'b'; print "\n"; print $c ?? 'a'; print "\n"; print $c ?: 'a'; print "\n"; $b = array('a' => null); print $b ?? 'c'; print "\n"; print $b ?: 'c'; print "\n"; print $b['a'] ?? 'd'; print "\n"; print $b['a'] ?: 'd'; print "\n"; print $b['c'] ?? 'e'; print "\n"; print $b['c'] ?: 'e'; print "\n";

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)
8.3.60.0110.00716.74
8.3.50.0080.01322.11
8.3.40.0070.01118.71
8.3.30.0070.00718.54
8.3.20.0040.00420.21
8.3.10.0040.00423.61
8.3.00.0050.00321.80
8.2.180.0090.00625.92
8.2.170.0070.00718.96
8.2.160.0090.00622.96
8.2.150.0080.00025.66
8.2.140.0060.00324.66
8.2.130.0040.00420.95
8.2.120.0030.00526.35
8.2.110.0070.00322.11
8.2.100.0080.00417.74
8.2.90.0040.00422.28
8.2.80.0050.00317.97
8.2.70.0080.00017.75
8.2.60.0090.00017.75
8.2.50.0040.00417.91
8.2.40.0050.00319.34
8.2.30.0040.00419.29
8.2.20.0040.00417.86
8.2.10.0000.00717.92
8.2.00.0040.00417.93
8.1.280.0120.00325.92
8.1.270.0060.00322.19
8.1.260.0080.00328.09
8.1.250.0000.00728.09
8.1.240.0150.00422.47
8.1.230.0110.00020.88
8.1.220.0080.00017.79
8.1.210.0080.00018.82
8.1.200.0060.00317.36
8.1.190.0000.00817.23
8.1.180.0070.00418.10
8.1.170.0040.00417.62
8.1.160.0020.00518.88
8.1.150.0000.00718.80
8.1.140.0000.00819.61
8.1.130.0070.00017.69
8.1.120.0040.00417.29
8.1.110.0000.00817.45
8.1.100.0000.00717.45
8.1.90.0080.00017.39
8.1.80.0000.00717.33
8.1.70.0000.00717.50
8.1.60.0060.00317.48
8.1.50.0030.00617.48
8.1.40.0060.00317.57
8.1.30.0000.00817.64
8.1.20.0050.00317.58
8.1.10.0000.00717.58
8.1.00.0040.00417.43
8.0.300.0000.00719.98
8.0.290.0040.00416.75
8.0.280.0030.00318.31
8.0.270.0000.00717.16
8.0.260.0060.00017.29
8.0.250.0000.00717.05
8.0.240.0000.00717.03
8.0.230.0000.00717.01
8.0.220.0030.00316.92
8.0.210.0030.00316.83
8.0.200.0000.00616.90
8.0.190.0000.01017.02
8.0.180.0040.00416.98
8.0.170.0000.00816.87
8.0.160.0000.00816.99
8.0.150.0040.00416.90
8.0.140.0070.00016.82
8.0.130.0000.00613.40
8.0.120.0040.00416.94
8.0.110.0020.00516.88
8.0.100.0040.00416.98
8.0.90.0080.00016.93
8.0.80.0060.00916.94
8.0.70.0000.00717.00
8.0.60.0000.00716.79
8.0.50.0040.00416.96
8.0.30.0090.00917.14
8.0.20.0120.00917.40
8.0.10.0060.00317.04
8.0.00.0130.00816.73
7.4.330.0020.00216.81
7.4.320.0030.00316.60
7.4.300.0030.00316.49
7.4.290.0000.00716.62
7.4.280.0060.00316.63
7.4.270.0040.00416.41
7.4.260.0080.00016.57
7.4.250.0030.00516.53
7.4.240.0020.00716.55
7.4.230.0000.00716.70
7.4.220.0220.00316.54
7.4.210.0040.01116.69
7.4.200.0020.00516.40
7.4.160.0060.00916.36
7.4.150.0120.00617.40
7.4.140.0100.01217.86
7.4.130.0120.00816.61
7.4.120.0140.00316.66
7.4.110.0340.02416.44
7.4.100.0070.01116.25
7.4.90.0070.01116.47
7.4.80.0060.01219.39
7.4.70.0110.00816.41
7.4.60.0000.01516.54
7.4.50.0000.01416.22
7.4.40.0070.01716.53
7.4.30.0110.01116.41
7.4.00.0130.00314.93
7.3.330.0030.00313.16
7.3.320.0050.00013.25
7.3.310.0070.00016.29
7.3.300.0000.00716.31
7.3.290.0060.00916.39
7.3.280.0140.00316.33
7.3.270.0060.01217.40
7.3.260.0090.00916.59
7.3.250.0110.00616.40
7.3.240.0100.01316.41
7.3.230.0150.00716.65
7.3.210.0060.01016.23
7.3.200.0120.01119.39
7.3.190.0100.00716.71
7.3.180.0130.00316.58
7.3.170.0090.00916.52
7.3.160.0130.00416.39
7.2.330.0030.01416.79
7.2.320.0060.00816.68
7.2.310.0130.00416.62
7.2.300.0090.00916.84
7.2.290.0140.00716.54
7.2.60.0070.00316.68
7.2.00.0080.00819.51
7.1.200.0030.01015.83
7.1.100.0000.01218.02
7.1.70.0030.00517.23
7.1.60.0070.01819.28
7.1.50.0060.00916.70
7.1.00.0030.07322.31
7.0.200.0050.00316.78
7.0.60.0070.07721.88
7.0.50.0070.06017.77
7.0.40.0100.08319.96
7.0.30.0300.07720.09
7.0.20.0230.04720.00
7.0.10.0030.04320.01
7.0.00.0100.08720.00
5.6.210.0130.05720.74
5.6.200.0030.08318.27
5.6.190.0070.08720.69
5.6.180.0270.06720.47
5.6.170.0530.07020.44
5.6.160.0130.08320.48
5.6.150.0070.03718.20
5.6.140.0100.07318.18
5.6.130.0030.04318.11
5.6.120.0100.07021.12
5.6.110.0100.03721.02
5.6.100.0100.04021.11
5.6.90.0070.04020.96
5.6.80.0070.08320.52
5.5.350.1600.07720.34
5.5.340.0070.05717.95
5.5.330.0000.05020.41
5.5.320.0570.06720.30
5.5.310.0300.07720.27
5.5.300.0000.04017.98
5.5.290.0130.04017.91
5.5.280.0130.07020.77
5.5.270.0070.06020.86
5.5.260.0100.06720.77
5.5.250.0130.07720.57
5.5.240.0270.06720.18

preferences:
50.19 ms | 401 KiB | 5 Q