3v4l.org

run code in 300+ PHP versions simultaneously
<?php const API_KEY = 'de527b836bf340274089f76a6aef03610d88585464d07e625bdec9735b8125bf'; echo API_KEY + 'test'; echo PHP_EOL; echo API_KEY . 'test'; echo PHP_EOL;

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)
8.3.70.0090.00616.74
8.3.60.0140.00016.88
8.3.50.0110.00722.04
8.3.40.0180.00318.97
8.3.30.0120.00318.84
8.3.20.0070.00020.16
8.3.10.0080.00023.71
8.3.00.0040.00719.36
8.2.180.0110.00316.50
8.2.170.0180.00322.96
8.2.160.0030.01020.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0090.00017.50
8.2.120.0080.00026.35
8.2.110.0040.00422.26
8.2.100.0110.00017.91
8.2.90.0040.00419.09
8.2.80.0030.00617.97
8.2.70.0030.00717.75
8.2.60.0060.00317.91
8.2.50.0060.00318.07
8.2.40.0040.00419.08
8.2.30.0040.00420.61
8.2.20.0100.00017.67
8.2.10.0040.00417.92
8.2.00.0040.00417.95
8.1.280.0120.00625.92
8.1.270.0040.00722.23
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0090.00323.71
8.1.230.0080.00422.67
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0030.00518.45
8.1.160.0000.00722.04
8.1.150.0040.00418.69
8.1.140.0040.00419.45
8.1.130.0080.00017.69
8.1.120.0000.00717.33
8.1.110.0000.00717.33
8.1.100.0040.00417.37
8.1.90.0040.00417.32
8.1.80.0080.00017.41
8.1.70.0040.00417.38
8.1.60.0090.00017.42
8.1.50.0040.00417.46
8.1.40.0030.00617.39
8.1.30.0080.00017.49
8.1.20.0040.00417.38
8.1.10.0000.00817.50
8.1.00.0000.00717.45
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0070.00018.44
8.0.270.0000.00717.12
8.0.260.0030.00317.16
8.0.250.0060.00016.88
8.0.240.0030.00317.04
8.0.230.0030.00317.04
8.0.220.0000.00816.85
8.0.210.0070.00016.82
8.0.200.0000.00617.01
8.0.190.0080.00016.96
8.0.180.0040.00416.93
8.0.170.0000.00816.93
8.0.160.0040.00417.02
8.0.150.0040.00416.78
8.0.140.0070.00016.92
8.0.130.0000.00913.34
8.0.120.0040.00416.95
8.0.110.0030.00516.88
8.0.100.0040.00416.76
8.0.90.0000.00716.88
8.0.80.0090.01216.95
8.0.70.0040.00416.82
8.0.60.0040.00417.00
8.0.50.0040.00416.85
8.0.30.0070.01217.16
8.0.20.0060.01217.40
8.0.10.0080.00016.99
8.0.00.0120.00616.84
7.4.330.0020.00216.83
7.4.320.0060.00016.52
7.4.300.0000.00616.43
7.4.290.0030.00316.33
7.4.280.0030.00616.40
7.4.270.0030.00316.38
7.4.260.0070.00016.30
7.4.250.0070.00016.48
7.4.240.0020.00516.48
7.4.230.0040.00416.59
7.4.220.0090.00916.35
7.4.210.0030.01016.52
7.4.200.0070.00016.57
7.4.160.0160.00016.39
7.4.150.0160.00317.40
7.4.140.0090.00817.86
7.4.130.0160.00716.47
7.4.120.0080.00816.49
7.4.110.0080.00816.30
7.4.100.0030.02216.50
7.4.90.0090.00916.55
7.4.80.0100.00719.39
7.4.70.0110.00816.44
7.4.60.0160.00016.34
7.4.50.0070.00716.47
7.4.40.0060.01016.48
7.4.30.0030.01316.53
7.4.00.0030.01515.14
7.3.330.0060.00313.23
7.3.320.0000.00513.15
7.3.310.0030.00516.06
7.3.300.0030.00316.25
7.3.290.0080.00616.23
7.3.280.0100.00916.26
7.3.270.0090.00917.40
7.3.260.0150.00916.30
7.3.250.0070.01116.31
7.3.240.0150.00216.39
7.3.230.0160.00616.39
7.3.210.0120.00416.35
7.3.200.0180.00016.25
7.3.190.0130.00316.33
7.3.180.0060.01516.41
7.3.170.0190.00316.43
7.3.160.0110.01116.46
7.2.330.0110.00616.53
7.2.320.0060.01616.50
7.2.310.0100.01016.41
7.2.300.0100.00716.57
7.2.290.0000.01516.34
7.2.60.0160.00316.20
7.2.00.0140.01119.11
7.1.200.0030.01015.70
7.1.100.0000.01717.80
7.1.70.0000.01617.05
7.1.60.0100.01319.36
7.1.50.0090.01316.71
7.1.00.0030.07322.51
7.0.200.0030.00716.51
7.0.60.0300.07719.93
7.0.50.0070.08317.80
7.0.40.0070.04320.03
7.0.30.0170.04020.18
7.0.20.0230.08020.22
7.0.10.0070.08720.19
7.0.00.0030.05020.33
5.6.280.0070.03021.02
5.6.210.0130.06320.71
5.6.200.0200.06718.12
5.6.190.0130.08320.68
5.6.180.0130.04020.61
5.6.170.0230.03720.50
5.6.160.0130.07720.38
5.6.150.0030.05718.19
5.6.140.0000.04018.16
5.6.130.0130.07318.16
5.6.120.0000.04321.11
5.6.110.0000.05021.00
5.6.100.0070.08320.95
5.6.90.0100.08021.00
5.6.80.0100.05720.38
5.5.350.0330.07320.42
5.5.340.0100.07318.01
5.5.330.0130.07720.15
5.5.320.0300.07320.21
5.5.310.0270.07320.28
5.5.300.0070.08017.98
5.5.290.0070.07017.96
5.5.280.0130.05020.76
5.5.270.0130.03320.83
5.5.260.0070.08720.63
5.5.250.0030.04020.63
5.5.240.0230.03320.25

preferences:
51.64 ms | 401 KiB | 5 Q