3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; print $a ?? 'b1'; print "\n"; print $a ?: 'b2'; print "\n"; print $c ?? 'a1'; print "\n"; print $c ?: 'a2'; 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)
8.3.60.0070.01418.55
8.3.50.0090.01216.60
8.3.40.0140.00718.57
8.3.30.0110.00618.93
8.3.20.0070.00724.18
8.3.10.0040.00424.66
8.3.00.0090.00626.16
8.2.180.0070.01425.92
8.2.170.0160.00318.99
8.2.160.0110.00422.96
8.2.150.0050.00225.66
8.2.140.0070.00724.66
8.2.130.0080.00026.16
8.2.120.0060.00618.93
8.2.110.0030.00720.57
8.2.100.0040.00817.91
8.2.90.0030.00617.75
8.2.80.0030.00518.92
8.2.70.0080.00017.38
8.2.60.0030.00618.05
8.2.50.0050.00318.07
8.2.40.0000.00818.04
8.2.30.0000.01118.11
8.2.20.0040.00418.11
8.2.10.0050.00219.29
8.2.00.0050.00219.16
8.1.280.0100.00625.92
8.1.270.0030.00623.99
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0110.00722.66
8.1.230.0120.00017.77
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00719.01
8.1.180.0000.00918.10
8.1.170.0090.00018.53
8.1.160.0000.00718.80
8.1.150.0070.00018.89
8.1.140.0000.00718.83
8.1.130.0030.00320.06
8.1.120.0070.00317.48
8.1.110.0040.00417.39
8.1.100.0070.00017.29
8.1.90.0030.00417.33
8.1.80.0040.00417.35
8.1.70.0000.00717.43
8.1.60.0040.00417.52
8.1.50.0030.00617.56
8.1.40.0070.00017.41
8.1.30.0070.00617.71
8.1.20.0040.00417.59
8.1.10.0050.00317.49
8.1.00.0020.00617.41
8.0.300.0060.00318.77
8.0.290.0050.00316.88
8.0.280.0030.00318.39
8.0.270.0000.00718.06
8.0.260.0030.00320.24
8.0.250.0000.00717.03
8.0.240.0060.00017.00
8.0.230.0000.00917.07
8.0.220.0060.00316.98
8.0.210.0000.00716.91
8.0.200.0070.00016.98
8.0.190.0070.00017.00
8.0.180.0040.00416.98
8.0.170.0000.00816.95
8.0.160.0040.00417.02
8.0.150.0000.00716.81
8.0.140.0000.00816.88
8.0.130.0030.00415.07
8.0.120.0000.00716.95
8.0.110.0020.00516.84
8.0.100.0070.00116.84
8.0.90.0040.00416.89
8.0.80.0040.00916.96
8.0.70.0000.00816.79
8.0.60.0060.00116.95
8.0.50.0040.00316.78
8.0.30.0120.00516.89
8.0.20.0140.00517.00
8.0.10.0080.01017.04
8.0.00.0110.00816.93
7.4.330.0000.00415.55
7.4.320.0030.00316.58
7.4.300.0030.00316.43
7.4.290.0000.00716.42
7.4.280.0040.00416.51
7.4.270.0050.00216.49
7.4.260.0020.00414.83
7.4.250.0040.00316.54
7.4.240.0010.00716.46
7.4.230.0020.00516.47
7.4.220.0010.00616.55
7.4.210.0050.00916.50
7.4.200.0060.00116.57
7.4.190.0060.00016.55
7.4.180.0030.00316.61
7.4.160.0140.00416.50
7.4.150.0130.00516.47
7.4.140.0120.00416.33
7.4.130.0080.00916.45
7.4.120.0080.01016.40
7.4.110.0100.00916.42
7.4.100.0090.00716.52
7.4.90.0050.01116.43
7.4.80.0080.00816.94
7.4.70.0090.00816.39
7.4.60.0090.00916.44
7.4.50.0090.00816.36
7.4.40.0100.00816.30
7.4.30.0080.00916.36
7.4.20.0120.00616.36
7.4.10.0090.00816.37
7.4.00.0100.01116.48
7.3.330.0090.00516.14
7.3.320.0080.00614.81
7.3.310.0080.00716.21
7.3.300.0100.00516.32
7.3.290.0090.00716.35
7.3.280.0120.00516.31
7.3.270.0150.00816.29
7.3.260.0140.00516.34
7.3.250.0090.00916.28
7.3.240.0100.01016.41
7.3.230.0120.00816.33
7.3.220.0130.00616.23
7.3.210.0120.00916.26
7.3.200.0140.00516.32
7.3.190.0110.00816.31
7.3.180.0130.00616.29
7.3.170.0150.00416.26
7.3.160.0130.00616.25
7.3.150.0130.00716.29
7.3.140.0120.00816.24
7.3.130.0110.00816.28
7.3.120.0130.00616.26
7.3.110.0120.00816.26
7.3.100.0110.00816.22
7.3.90.0120.00716.41
7.3.80.0110.00916.28
7.3.70.0130.00616.23
7.3.60.0140.00616.34
7.3.50.0120.00616.35
7.3.40.0110.00816.32
7.3.30.0090.00916.27
7.3.20.0100.00816.63
7.3.10.0080.01016.59
7.3.00.0090.00816.59
7.2.340.0180.01016.24
7.2.330.0180.00716.26
7.2.320.0170.00816.22
7.2.310.0170.00816.22
7.2.300.0170.00816.24
7.2.290.0210.00816.32
7.2.280.0150.00916.26
7.2.270.0200.00516.25
7.2.260.0180.00916.29
7.2.250.0190.00716.32
7.2.240.0170.01116.34
7.2.230.0140.01116.26
7.2.220.0170.00816.28
7.2.210.0200.00616.28
7.2.200.0160.00916.50
7.2.190.0150.01016.42
7.2.180.0120.01016.41
7.2.170.0130.01116.44
7.2.160.0140.00916.42
7.2.150.0140.01116.73
7.2.140.0170.00716.76
7.2.130.0280.00716.81
7.2.120.0160.00916.83
7.2.110.0160.00916.88
7.2.100.0160.01016.81
7.2.90.0150.01016.84
7.2.80.0160.00916.75
7.2.70.0180.00716.82
7.2.60.0160.00916.78
7.2.50.0180.01016.78
7.2.40.0130.00916.82
7.2.30.0130.01216.80
7.2.20.0150.00916.80
7.2.10.0150.00816.84
7.2.00.0180.00816.80

preferences:
63.22 ms | 400 KiB | 5 Q