3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'c'; print $a ?? 'b'; 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)
8.3.60.0120.00316.38
8.3.50.0070.01016.46
8.3.40.0070.01018.57
8.3.30.0070.00718.50
8.3.20.0060.00320.39
8.3.10.0000.00721.86
8.3.00.0030.00617.62
8.2.180.0140.00716.63
8.2.170.0140.00722.96
8.2.160.0030.01020.35
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00319.31
8.2.120.0040.00426.35
8.2.110.0050.00520.43
8.2.100.0090.00317.91
8.2.90.0090.00019.27
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0050.00318.04
8.2.50.0000.00919.77
8.2.40.0000.00720.60
8.2.30.0020.00520.95
8.2.20.0000.00818.11
8.2.10.0070.00017.93
8.2.00.0040.00417.99
8.1.280.0140.00025.92
8.1.270.0000.00823.83
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0140.00723.83
8.1.230.0000.01017.77
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00817.13
8.1.190.0000.01017.23
8.1.180.0020.00518.10
8.1.170.0050.00318.61
8.1.160.0000.00719.01
8.1.150.0040.00420.61
8.1.140.0040.00419.43
8.1.130.0050.00318.85
8.1.120.0000.00717.38
8.1.110.0040.00417.29
8.1.100.0030.00517.38
8.1.90.0060.00317.34
8.1.80.0040.00417.22
8.1.70.0030.00317.39
8.1.60.0030.00517.48
8.1.50.0070.00017.46
8.1.40.0000.00717.46
8.1.30.0060.00317.40
8.1.20.0000.00717.55
8.1.10.0060.00317.53
8.1.00.0000.00717.42
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.42
8.0.270.0000.00717.31
8.0.260.0060.00016.79
8.0.250.0040.00416.84
8.0.240.0100.00016.95
8.0.230.0040.00416.84
8.0.220.0000.00716.80
8.0.210.0030.00316.77
8.0.200.0000.00816.91
8.0.190.0060.00316.91
8.0.180.0000.00816.73
8.0.170.0070.00016.88
8.0.160.0040.00416.85
8.0.150.0030.00316.82
8.0.140.0040.00416.81
8.0.130.0000.00513.28
8.0.120.0000.00716.69
8.0.110.0050.00216.77
8.0.100.0040.00416.67
8.0.90.0000.00716.85
8.0.80.0080.00816.81
8.0.70.0000.00716.63
8.0.60.0040.00416.86
8.0.50.0030.00516.79
8.0.30.0070.01117.04
8.0.20.0100.00917.40
8.0.10.0020.00516.99
8.0.00.0100.01016.76
7.4.330.0020.00215.55
7.4.320.0040.00416.35
7.4.300.0030.00316.52
7.4.290.0000.00716.44
7.4.280.0060.00316.44
7.4.270.0000.00716.39
7.4.260.0000.00513.21
7.4.250.0060.00316.51
7.4.240.0030.00316.43
7.4.230.0030.00316.54
7.4.220.0030.01416.49
7.4.210.0100.01016.57
7.4.200.0030.00416.23
7.4.160.0040.01216.41
7.4.150.0070.01017.40
7.4.140.0110.00917.86
7.4.130.0140.00316.55
7.4.120.0090.00916.44
7.4.110.0130.00316.36
7.4.100.0120.00416.41
7.4.90.0000.01616.52
7.4.80.0070.01019.39
7.4.70.0090.00916.48
7.4.60.0100.00716.45
7.4.50.0130.00316.35
7.4.40.0140.00716.48
7.4.30.0190.00316.56
7.4.00.0090.00714.99
7.3.330.0040.00313.05
7.3.320.0030.00313.08
7.3.310.0030.00316.18
7.3.300.0070.00016.20
7.3.290.0030.00316.14
7.3.280.0070.01116.19
7.3.270.0090.00917.40
7.3.260.0120.00516.23
7.3.250.0150.00816.39
7.3.240.0100.00716.31
7.3.230.0070.01016.30
7.3.210.0100.00716.13
7.3.200.0120.00616.15
7.3.190.0070.01616.27
7.3.180.0090.00616.08
7.3.170.0100.00716.18
7.3.160.0030.01316.39
7.3.120.0030.01414.78
7.3.110.0070.01014.81
7.3.100.0040.01114.98
7.3.90.0000.00914.75
7.3.80.0040.00814.94
7.3.70.0070.01014.68
7.3.60.0070.00714.65
7.3.50.0090.00614.70
7.3.40.0070.01014.63
7.3.30.0070.00314.50
7.3.20.0030.01016.56
7.3.10.0050.01016.60
7.3.00.0080.00616.48
7.2.330.0130.00716.58
7.2.320.0110.00816.52
7.2.310.0070.01016.39
7.2.300.0150.00616.54
7.2.290.0050.01016.36
7.2.250.0060.00914.48
7.2.240.0160.00314.95
7.2.230.0060.00915.04
7.2.220.0150.00015.14
7.2.210.0100.00014.85
7.2.200.0070.00714.82
7.2.190.0090.00614.61
7.2.180.0040.01214.87
7.2.170.0000.01114.94
7.2.130.0000.00916.86
7.2.120.0000.01216.57
7.2.110.0070.00716.98
7.2.100.0070.00316.97
7.2.90.0110.00416.90
7.2.80.0090.00216.74
7.2.70.0060.00616.63
7.2.60.0100.00316.89
7.2.50.0100.00016.97
7.2.40.0070.00716.89
7.2.30.0040.01116.64
7.2.20.0130.00016.60
7.2.10.0090.00316.61
7.2.00.0040.00718.02
7.1.330.0060.00615.41
7.1.320.0000.01115.63
7.1.310.0000.01515.29
7.1.300.0130.00315.26
7.1.290.0030.00915.31
7.1.280.0090.00615.77
7.1.270.0090.00315.55
7.1.260.0030.00915.45
7.1.250.0050.00515.45
7.1.200.0090.00315.49
7.1.100.0000.01118.02
7.1.70.0070.01017.07
7.1.60.0090.01834.96
7.1.50.0170.01034.67
7.1.40.0260.00334.21
7.1.30.0180.01134.57
7.1.20.0180.00934.52
7.1.10.0040.00816.32
7.1.00.0060.00616.43
7.0.200.0000.01316.82
7.0.190.0100.00416.36
7.0.180.0040.01516.05
7.0.170.0040.00916.00
7.0.160.0030.01016.02
7.0.150.0030.00916.15
7.0.140.0000.01215.94
7.0.130.0040.00916.35
7.0.120.0080.00716.36
7.0.110.0030.01016.11
7.0.100.0030.01016.09
7.0.90.0100.00316.08
7.0.80.0070.00716.21
7.0.70.0060.00616.32
7.0.60.0000.01416.02
7.0.50.0000.01316.17
7.0.40.0040.00816.16
7.0.30.0040.00916.51
7.0.20.0090.00316.37
7.0.10.0080.00416.38
7.0.00.0030.00916.35

preferences:
52.02 ms | 400 KiB | 5 Q