3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Something { public function one(): int { global $number; if ($number === null) $number = 1; return $number; } public function two(): int { global $number; if ($number === null) $number = 2; return $number; } } $s = new Something(); var_dump($s->one()); var_dump($s->two());

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)
8.3.60.0090.00616.38
8.3.50.0080.01120.08
8.3.40.0110.00420.46
8.3.30.0110.00418.69
8.3.20.0050.00224.18
8.3.10.0000.00824.66
8.3.00.0000.00726.16
8.2.180.0040.01125.92
8.2.170.0090.00618.82
8.2.160.0030.01022.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0030.00519.36
8.2.110.0070.00321.04
8.2.100.0030.01017.66
8.2.90.0050.00317.75
8.2.80.0000.00720.41
8.2.70.0000.00817.63
8.2.60.0000.00817.63
8.2.50.0000.00818.04
8.2.40.0090.00018.03
8.2.30.0040.00418.04
8.2.20.0070.00020.29
8.2.10.0000.00717.70
8.2.00.0030.00319.11
8.1.280.0120.00325.92
8.1.270.0000.00823.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00319.13
8.1.230.0070.00417.77
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0030.00617.22
8.1.180.0050.00318.10
8.1.170.0040.00417.62
8.1.160.0100.00018.85
8.1.150.0000.00818.41
8.1.140.0050.00217.44
8.1.130.0000.00717.28
8.1.120.0000.00717.43
8.1.110.0030.00517.38
8.1.100.0040.00417.38
8.1.90.0000.00817.45
8.1.80.0080.00017.40
8.1.70.0030.00317.21
8.1.60.0080.00017.50
8.1.50.0030.00617.53
8.1.40.0000.00717.48
8.1.30.0040.00417.64
8.1.20.0040.00417.47
8.1.10.0060.00517.35
8.1.00.0060.00517.30
8.0.300.0070.00418.77
8.0.290.0050.00316.63
8.0.280.0090.00018.29
8.0.270.0030.00616.69
8.0.260.0000.00716.79
8.0.250.0080.00016.90
8.0.240.0000.00816.79
8.0.230.0000.00716.77
8.0.220.0040.00416.83
8.0.210.0030.00316.82
8.0.200.0000.00916.88
8.0.190.0020.00516.88
8.0.180.0080.00416.78
8.0.170.0040.00416.73
8.0.160.0000.00716.70
8.0.150.0040.00416.72
8.0.140.0050.00416.63
8.0.130.0050.00416.66
8.0.120.0060.00416.70
8.0.110.0050.00416.68
8.0.100.0060.00416.68
8.0.90.0060.00516.68
8.0.80.0060.00416.67
8.0.70.0060.00416.67
8.0.60.0060.00416.68
8.0.50.0060.00416.69
8.0.30.0060.00416.69
8.0.20.0060.00416.75
8.0.10.0060.00416.81
8.0.00.0070.00316.93
7.4.330.0020.00215.55
7.4.320.0040.00416.48
7.4.300.0000.00616.48
7.4.290.0000.00716.44
7.4.280.0050.00316.40
7.4.270.0060.00416.43
7.4.260.0060.00416.43
7.4.250.0060.00416.42
7.4.240.0060.00416.43
7.4.230.0060.00416.43
7.4.220.0050.00416.43
7.4.210.0050.00416.43
7.4.200.0050.00416.42
7.4.190.0060.00416.49
7.4.180.0050.00416.49
7.4.160.0050.00416.46
7.4.150.0050.00416.39
7.4.140.0050.00416.32
7.4.130.0050.00416.27
7.4.120.0050.00416.28
7.4.110.0050.00416.26
7.4.100.0050.00416.39
7.4.90.0050.00416.32
7.4.80.0050.00416.26
7.4.70.0050.00416.27
7.4.60.0050.00416.27
7.4.50.0050.00416.19
7.4.40.0050.00416.19
7.4.30.0050.00416.26
7.4.20.0050.00416.25
7.4.10.0050.00416.26
7.4.00.0050.00416.30

preferences:
56.29 ms | 401 KiB | 5 Q