3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '-1.22'; $a = -$a; var_dump($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)
8.3.60.0090.00618.30
8.3.50.0090.00617.86
8.3.40.0100.00318.71
8.3.30.0040.01118.59
8.3.20.0080.00019.21
8.3.10.0000.00823.53
8.3.00.0040.00420.46
8.2.180.0140.00318.16
8.2.170.0110.00422.96
8.2.160.0110.00420.82
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00018.09
8.2.120.0040.00426.35
8.2.110.0060.00319.22
8.2.100.0120.00017.58
8.2.90.0090.00017.75
8.2.80.0050.00317.97
8.2.70.0040.00417.80
8.2.60.0000.00718.03
8.2.50.0050.00318.10
8.2.40.0090.00019.48
8.2.30.0070.00019.23
8.2.20.0070.00018.10
8.2.10.0080.00018.12
8.2.00.0060.00317.58
8.1.280.0110.00425.92
8.1.270.0050.00318.88
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0080.00020.75
8.1.230.0100.00021.96
8.1.220.0050.00317.78
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.35
8.1.180.0080.00018.10
8.1.170.0040.00418.52
8.1.160.0040.00418.82
8.1.150.0050.00218.73
8.1.140.0070.00022.13
8.1.130.0000.00720.07
8.1.120.0040.00417.38
8.1.110.0000.00817.28
8.1.100.0000.00717.38
8.1.90.0000.00717.43
8.1.80.0000.00717.38
8.1.70.0050.00217.31
8.1.60.0000.00817.55
8.1.50.0080.00017.34
8.1.40.0040.00417.44
8.1.30.0040.00817.51
8.1.20.0040.00417.53
8.1.10.0080.00017.37
8.1.00.0000.00817.39
8.0.300.0040.00418.77
8.0.290.0030.00516.75
8.0.280.0000.00718.30
8.0.270.0000.00817.16
8.0.260.0040.00418.48
8.0.250.0030.00316.95
8.0.240.0040.00416.90
8.0.230.0040.00416.93
8.0.220.0030.00316.79
8.0.210.0000.00616.80
8.0.200.0060.00016.75
8.0.190.0080.00016.87
8.0.180.0000.00816.84
8.0.170.0040.00416.82
8.0.160.0040.00416.81
8.0.150.0030.00316.77
8.0.140.0030.00516.66
8.0.130.0030.00613.20
8.0.120.0050.00316.87
8.0.110.0070.00016.59
8.0.100.0000.00716.76
8.0.90.0040.00416.64
8.0.80.0120.00716.84
8.0.70.0040.00416.80
8.0.60.0040.00416.88
8.0.50.0000.00716.73
8.0.30.0140.00416.86
8.0.20.0120.00817.40
8.0.10.0040.00416.77
8.0.00.0120.01016.82
7.4.330.0050.00015.55
7.4.320.0040.00416.53
7.4.300.0070.00016.56
7.4.290.0070.00016.34
7.4.280.0040.00716.51
7.4.270.0040.00416.51
7.4.260.0070.00016.41
7.4.250.0040.00416.38
7.4.240.0000.00716.43
7.4.230.0050.00216.52
7.4.220.0040.00416.56
7.4.210.0060.01216.54
7.4.200.0000.00716.33
7.4.160.0110.00616.45
7.4.140.0110.00917.86
7.4.130.0060.01416.43
7.4.120.0110.01016.42
7.3.330.0050.00013.14
7.3.320.0030.00313.03
7.3.310.0040.00416.18
7.3.300.0030.00316.09
7.3.290.0040.00415.93
7.3.280.0100.00416.24
7.3.260.0120.00816.36
7.3.240.0090.01016.34
7.2.110.0220.01214.37
5.6.380.0060.00814.04

preferences:
60.06 ms | 400 KiB | 5 Q