3v4l.org

run code in 300+ PHP versions simultaneously
<?php $types = [ [null, null], [null, -2], [null, 2], [-2, null], [2, null], [-2, 2], ]; $a = 'f'; foreach($types as $key => $type) { echo "(interval[".($type[0]??'-∞').",".($type[1]??'∞')."] * -1) = -(interval[".($type[0]??'-∞').",".($type[1]??'∞')."]);\r\n"; }

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)
8.4.130.0100.01118.91
8.4.120.0110.01017.88
8.4.110.0150.00618.69
8.4.100.0120.00917.85
8.4.90.0120.00820.54
8.4.80.0150.00618.86
8.4.70.0120.00918.89
8.4.60.0120.00818.52
8.4.50.0040.00520.71
8.4.40.0040.01217.64
8.4.30.0090.00620.20
8.4.20.0100.00617.86
8.4.10.0140.00319.45
8.3.260.0090.01016.27
8.3.250.0130.00616.40
8.3.240.0110.00516.69
8.3.230.0100.00516.74
8.3.220.0100.00418.80
8.3.210.0040.00416.40
8.3.200.0120.00816.46
8.3.190.0120.00716.85
8.3.180.0110.00719.05
8.3.170.0120.00620.80
8.3.160.0070.00017.04
8.3.150.0130.00317.04
8.3.140.0090.00616.75
8.3.130.0090.00016.55
8.3.120.0090.00020.61
8.3.110.0060.00916.49
8.3.100.0060.01316.48
8.3.90.0130.00626.77
8.3.80.0090.00016.50
8.3.70.0160.00618.31
8.3.60.0070.00718.18
8.3.50.0130.00618.27
8.3.40.0040.01121.89
8.3.30.0140.00418.70
8.3.20.0040.00424.18
8.3.10.0050.00324.66
8.3.00.0000.00926.16
8.2.290.0100.00616.37
8.2.280.0100.00518.24
8.2.270.0120.00618.89
8.2.260.0120.00616.65
8.2.250.0080.00018.13
8.2.240.0090.00618.79
8.2.230.0090.00320.94
8.2.220.0000.00724.06
8.2.210.0080.00026.77
8.2.200.0060.00316.38
8.2.190.0070.01116.58
8.2.180.0090.00625.92
8.2.170.0040.01118.96
8.2.160.0100.00322.96
8.2.150.0050.00325.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00826.16
8.2.110.0030.00619.45
8.2.100.0080.00417.84
8.2.90.0080.00018.03
8.2.80.0000.00819.33
8.2.70.0040.00417.38
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0000.00819.95
8.2.30.0000.00818.12
8.2.20.0030.00518.04
8.2.10.0050.00319.31
8.2.00.0000.00819.27
8.1.330.0090.01016.13
8.1.320.0100.01017.69
8.1.310.0030.00616.41
8.1.300.0060.01218.56
8.1.290.0040.00430.84
8.1.280.0040.01125.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00622.19
8.1.230.0110.00020.89
8.1.220.0030.00617.74
8.1.210.0000.00818.98
8.1.200.0040.00417.35
8.1.190.0080.00017.23
8.1.180.0050.00318.61
8.1.170.0050.00218.84
8.1.160.0000.00818.84
8.1.150.0000.00818.64
8.1.140.0070.00419.02
8.1.130.0030.00318.78
8.1.120.0000.00717.38
8.1.110.0050.00317.41
8.1.100.0000.01017.33
8.1.90.0050.00217.35
8.1.80.0000.01017.50
8.1.70.0000.00717.45
8.1.60.0060.00317.48
8.1.50.0050.00317.49
8.1.40.0000.00817.41
8.1.30.0000.00817.66
8.1.20.0060.00317.67
8.1.10.0030.00617.65
8.1.00.0030.00617.52
8.0.300.0040.00420.16
8.0.290.0030.00616.63
8.0.280.0000.00718.39
8.0.270.0000.00718.02
8.0.260.0030.00318.45
8.0.250.0020.00616.86
8.0.240.0000.00816.83
8.0.230.0000.00716.90
8.0.220.0000.00716.83
8.0.210.0000.00716.72
8.0.200.0030.00317.01
8.0.190.0050.00216.96
8.0.180.0090.00016.91
8.0.170.0090.00016.96
8.0.160.0070.00016.94
8.0.150.0000.00716.81
8.0.140.0050.00216.89
8.0.130.0030.00313.30
8.0.120.0040.00416.83
8.0.110.0040.00416.88
8.0.100.0030.00516.68
8.0.90.0050.00216.75
8.0.80.0000.00716.98
8.0.70.0070.00016.68
8.0.60.0040.00416.93
8.0.50.0080.00016.79
8.0.30.0000.00816.98
8.0.20.0050.00216.82
8.0.10.0030.00316.95
8.0.00.0030.00317.02
7.4.330.0000.00515.55
7.4.320.0060.00016.60
7.4.300.0030.00316.50
7.4.290.0030.00516.59
7.4.280.0050.00316.51
7.4.270.0000.00716.54
7.4.260.0000.00613.36
7.4.250.0030.00316.54
7.4.240.0040.00416.51
7.4.230.0040.00416.40
7.4.220.0000.00716.49
7.4.210.0040.00416.31
7.4.200.0000.00716.50
7.4.190.0080.00016.77
7.4.180.0070.00016.68
7.4.160.0030.00316.47
7.4.150.0030.00316.52
7.4.140.0030.00316.36
7.4.130.0000.00716.36
7.4.120.0030.00316.21
7.4.110.0000.00716.51
7.4.100.0030.00316.42
7.4.90.0000.00716.54
7.4.80.0030.00316.44
7.4.70.0040.00416.53
7.4.60.0070.00016.44
7.4.50.0000.00716.50
7.4.40.0070.00016.29
7.4.30.0030.00316.48
7.4.20.0040.00416.48
7.4.10.0060.00016.55
7.4.00.0000.00616.59
7.3.330.0000.01016.28
7.3.320.0030.00313.24
7.3.310.0000.00716.16
7.3.300.0060.00016.30
7.3.290.0050.00216.17
7.3.280.0040.00416.31
7.3.270.0070.00016.21
7.3.260.0000.00716.30
7.3.250.0020.00516.22
7.3.240.0040.00416.30
7.3.230.0000.00716.30
7.3.220.0050.00216.16
7.3.210.0040.00416.06
7.3.200.0000.00716.22
7.3.190.0000.00616.25
7.3.180.0030.00316.06
7.3.170.0020.00516.29
7.3.160.0030.00516.08
7.3.150.0040.00416.05
7.3.140.0000.00716.14
7.3.130.0000.00716.16
7.3.120.0040.00416.29
7.3.110.0000.00716.19
7.3.100.0000.00716.18
7.3.90.0070.00016.43
7.3.80.0030.00316.23
7.3.70.0000.00716.32
7.3.60.0030.00316.34
7.3.50.0070.00016.33
7.3.40.0060.00016.43
7.3.30.0040.00416.33
7.3.20.0040.00418.25
7.3.10.0050.00318.13
7.3.00.0070.00018.22

preferences:
28.12 ms | 403 KiB | 5 Q