3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = ''; echo $s ?: '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)
8.3.60.0090.00916.63
8.3.50.0140.00018.09
8.3.40.0120.00318.53
8.3.30.0100.00618.60
8.3.20.0040.00421.70
8.3.10.0040.00423.65
8.3.00.0000.00819.55
8.2.180.0120.00916.63
8.2.170.0120.00322.96
8.2.160.0140.00319.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00720.35
8.2.120.0040.00426.35
8.2.110.0060.00322.09
8.2.100.0080.00317.78
8.2.90.0040.00419.27
8.2.80.0030.00619.26
8.2.70.0040.00817.48
8.2.60.0080.00017.93
8.2.50.0040.00418.10
8.2.40.0040.00420.58
8.2.30.0040.00419.28
8.2.20.0040.00417.92
8.2.10.0000.00718.00
8.2.00.0040.00418.10
8.1.280.0100.01025.92
8.1.270.0080.00020.61
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0040.00423.72
8.1.230.0080.00423.93
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0040.00418.55
8.1.160.0020.00518.87
8.1.150.0000.00718.93
8.1.140.0030.00519.54
8.1.130.0040.00418.86
8.1.120.0030.00317.36
8.1.110.0000.00717.47
8.1.100.0050.00317.39
8.1.90.0070.00017.46
8.1.80.0040.00317.34
8.1.70.0040.00417.45
8.1.60.0060.00317.54
8.1.50.0000.00817.42
8.1.40.0040.00417.52
8.1.30.0030.00517.60
8.1.20.0090.00017.61
8.1.10.0070.00017.43
8.1.00.0030.00517.41
8.0.300.0000.00818.77
8.0.290.0070.00016.75
8.0.280.0070.00018.43
8.0.270.0030.00317.20
8.0.260.0000.00617.28
8.0.250.0030.00316.87
8.0.240.0050.00316.98
8.0.230.0030.00516.96
8.0.220.0000.00716.79
8.0.210.0040.00416.77
8.0.200.0000.00716.88
8.0.190.0000.00816.91
8.0.180.0070.00016.79
8.0.170.0040.00416.90
8.0.160.0030.00316.84
8.0.150.0070.00016.71
8.0.140.0090.00016.82
8.0.130.0050.00013.34
8.0.120.0000.00716.80
8.0.110.0000.00916.82
8.0.100.0040.00416.94
8.0.90.0000.00716.75
8.0.80.0040.01116.79
8.0.70.0050.00216.99
8.0.60.0050.00216.68
8.0.50.0000.00716.72
8.0.30.0100.00816.94
8.0.20.0090.01117.40
8.0.10.0000.00816.82
8.0.00.0120.01216.93
7.4.330.0050.00015.55
7.4.320.0000.00716.49
7.4.300.0030.00316.50
7.4.290.0000.00716.55
7.4.280.0000.00716.56
7.4.270.0070.00016.54
7.4.260.0040.00416.52
7.4.250.0030.00616.48
7.4.240.0040.00416.51
7.4.230.0030.00316.38
7.4.220.0100.01016.43
7.4.210.0040.01116.48
7.4.200.0000.00716.39
7.4.160.0090.00716.55
7.4.150.0120.00617.40
7.4.140.0130.00617.86
7.4.130.0220.00316.57
7.4.120.0090.01116.60
7.4.110.0070.01016.34
7.4.100.0210.00316.53
7.4.90.0120.00616.36
7.4.80.0140.00619.39
7.4.70.0000.02016.34
7.4.60.0130.00316.43
7.4.50.0060.01016.28
7.4.40.0090.01216.36
7.4.30.0090.00616.50
7.4.00.0120.00315.00
7.3.330.0000.00513.02
7.3.320.0000.00512.98
7.3.310.0070.00016.25
7.3.300.0030.00316.05
7.3.290.0100.00516.19
7.3.280.0080.00816.22
7.3.270.0140.00617.40
7.3.260.0110.00916.49
7.3.250.0090.00916.41
7.3.240.0030.01416.40
7.3.230.0090.00916.46
7.3.210.0100.01016.46
7.3.200.0110.01216.36
7.3.190.0110.01116.13
7.3.180.0030.01216.42
7.3.170.0120.00616.36
7.3.160.0150.00616.50
7.2.330.0090.00916.52
7.2.320.0120.00416.54
7.2.310.0130.01016.67
7.2.300.0090.00916.59
7.2.290.0140.00316.63
7.2.60.0070.00716.62
7.2.00.0060.00619.16
7.1.200.0060.00615.58
7.1.100.0030.00917.99
7.1.70.0070.00017.00
7.1.60.0100.00317.02
7.1.50.0570.01332.38
7.1.40.0200.01034.11
7.1.30.0600.00732.54
7.1.20.0330.02332.61
7.1.10.0370.00316.27
7.1.00.0530.01716.41
7.0.200.0040.02016.69
7.0.190.0030.01014.33
7.0.180.0000.01016.00
7.0.170.0430.00714.28
7.0.160.0300.01314.40
7.0.150.0630.00716.23
7.0.140.0070.01016.29
7.0.130.0030.01016.32
7.0.120.1000.01014.64
7.0.110.0330.01714.23
7.0.100.0430.01014.18
7.0.90.0330.00314.21
7.0.80.0330.01314.23
7.0.70.0330.01714.26
7.0.60.0330.01013.93
7.0.50.0370.00314.34
7.0.40.0270.00714.62
7.0.30.0330.01014.38
7.0.20.0370.01014.37
7.0.10.0330.01014.54
7.0.00.0330.01014.56

preferences:
57.19 ms | 401 KiB | 5 Q