3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dumb(string $input): string { $length = mb_strlen($input); if ($length > 10) { return mb_substr($input, 0, 6); } $newSymbols = 12 - $length; for ($i = 0; $i < $newSymbols; $i++) { $input .= 'o'; } return $input; } echo dumb('aaaaaaaaaaaaaaaaaaaa') . PHP_EOL; echo dumb('aaaaaaa') . 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)
8.3.60.0060.00918.29
8.3.50.0140.00316.45
8.3.40.0060.00918.98
8.3.30.0090.00618.71
8.3.20.0000.00721.85
8.3.10.0040.00423.54
8.3.00.0080.00020.82
8.2.180.0140.00316.75
8.2.170.0060.01222.96
8.2.160.0150.00020.11
8.2.150.0070.00024.18
8.2.140.0030.00724.66
8.2.130.0040.00419.45
8.2.120.0040.00426.35
8.2.110.0140.00320.82
8.2.100.0070.00417.97
8.2.90.0030.00618.15
8.2.80.0000.00817.97
8.2.70.0000.00817.93
8.2.60.0000.00818.03
8.2.50.0040.00418.10
8.2.40.0060.00319.51
8.2.30.0070.00019.31
8.2.20.0050.00318.04
8.2.10.0040.00419.17
8.2.00.0000.00719.24
8.1.280.0070.00725.92
8.1.270.0040.00419.00
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0060.00322.19
8.1.230.0070.00320.96
8.1.220.0030.00617.79
8.1.210.0030.00618.89
8.1.200.0040.00717.36
8.1.190.0000.00917.23
8.1.180.0060.00318.10
8.1.170.0030.00618.63
8.1.160.0040.00418.89
8.1.150.0000.00918.80
8.1.140.0040.00420.74
8.1.130.0040.00420.19
8.1.120.0060.00317.36
8.1.110.0070.00317.44
8.1.100.0000.00717.46
8.1.90.0080.00017.49
8.1.80.0000.00717.51
8.1.70.0000.00817.50
8.1.60.0100.00017.52
8.1.50.0000.00817.59
8.1.40.0040.00417.54
8.1.30.0050.00317.55
8.1.20.0030.00617.71
8.1.10.0080.00317.63
8.1.00.0040.00417.58
8.0.300.0030.00619.63
8.0.290.0040.00416.75
8.0.280.0000.00818.61
8.0.270.0000.00717.32
8.0.260.0030.00318.45
8.0.250.0000.00917.00
8.0.240.0030.00316.99
8.0.230.0000.00716.97
8.0.220.0060.00316.87
8.0.210.0070.00016.92
8.0.200.0030.00316.91
8.0.190.0040.00416.89
8.0.180.0030.00616.94
8.0.170.0040.00416.98
8.0.160.0040.00416.99
8.0.150.0000.00716.78
8.0.140.0040.00416.94
8.0.130.0000.00613.42
8.0.120.0050.00316.83
8.0.110.0030.00316.84
8.0.100.0040.00416.99
8.0.90.0000.00816.79
8.0.80.0070.01216.96
8.0.70.0040.00416.82
8.0.60.0070.00016.89
8.0.50.0050.00316.85
8.0.30.0070.00716.88
8.0.20.0060.01317.06
8.0.10.0000.00717.02
8.0.00.0060.01416.61
7.4.330.0000.00515.55
7.4.320.0060.00016.38
7.4.300.0060.00016.58
7.4.290.0030.00316.54
7.4.280.0070.00016.48
7.4.270.0000.01116.55
7.4.260.0040.00416.57
7.4.250.0040.00416.42
7.4.240.0000.00716.57
7.4.230.0000.00716.39
7.4.220.0040.00416.36
7.4.210.0100.01016.64
7.4.200.0040.00516.49
7.4.160.0090.00716.55
7.4.140.0100.00917.86
7.4.130.0130.01016.61
7.4.120.0130.00916.46
7.4.110.0100.00716.67
7.4.100.0070.01116.41
7.4.90.0070.01016.54
7.4.80.0120.00619.39
7.4.70.0030.01516.48
7.4.60.0100.00716.54
7.4.50.0060.00916.56
7.4.40.0130.01016.44
7.4.00.0100.00714.93
7.3.330.0000.00613.35
7.3.320.0030.00313.17
7.3.310.0050.00216.25
7.3.300.0000.00716.19
7.3.290.0000.00716.25
7.3.280.0080.01016.26
7.3.260.0110.01116.49
7.3.240.0110.00816.58
7.3.230.0110.01116.45
7.3.210.0110.00616.51
7.3.200.0100.00616.33
7.3.190.0070.01416.43
7.3.180.0100.00716.32
7.3.170.0070.01016.53
7.3.160.0080.00816.48
7.3.10.0190.00915.47
7.3.00.0190.00915.77
7.2.330.0070.01016.67
7.2.320.0080.00816.59
7.2.310.0040.01216.81
7.2.300.0080.00816.66
7.2.290.0070.01416.62
7.2.130.0220.00916.00
7.2.120.0190.01116.00
7.2.110.0290.00715.99
7.2.100.0370.00915.96
7.2.90.0400.00516.06
7.2.80.0400.00816.05
7.2.70.0360.00516.08
7.2.60.0270.00515.84
7.2.50.0280.01316.09
7.2.40.0300.00816.00
7.2.30.0210.00615.99
7.2.20.0370.00615.90
7.2.10.0210.00516.09
7.2.00.0220.00816.03
7.1.250.0300.00414.70

preferences:
87.71 ms | 400 KiB | 5 Q