3v4l.org

run code in 300+ PHP versions simultaneously
<?php $MyMondayClasses = $MyTuesdayClasses = $MyWednesdayClasses = $MyThursdayClasses = $MyFridayClasses = range("A", "Z"); $days = array( 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Fridayxxxx' ); foreach ( $days as $value ) { $name = ${sprintf("My%sClasses", $value)}; if (! isset($name)) // add some validation continue; foreach ( $name as $ClassKey => $ClassVar ) { //play some ball } }

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)
8.3.40.0140.00718.85
8.3.30.0070.01118.59
8.3.20.0080.00018.56
8.3.10.0000.00820.53
8.3.00.0090.00017.50
8.2.170.0140.00722.96
8.2.160.0100.00322.26
8.2.150.0160.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00019.95
8.2.110.0060.00321.18
8.2.100.0000.01217.72
8.2.90.0000.00920.83
8.2.80.0060.00318.04
8.2.70.0090.00017.50
8.2.60.0050.00317.91
8.2.50.0050.00318.07
8.2.40.0040.00418.22
8.2.30.0040.00418.16
8.2.20.0050.00317.51
8.2.10.0000.00717.65
8.2.00.0040.00417.74
8.1.270.0070.00024.66
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0000.01122.44
8.1.230.0080.00420.85
8.1.220.0000.00817.79
8.1.210.0040.00418.89
8.1.200.0100.00017.35
8.1.190.0030.00617.55
8.1.180.0000.00918.10
8.1.170.0080.00018.71
8.1.160.0040.00418.93
8.1.150.0040.00418.63
8.1.140.0050.00517.44
8.1.130.0000.00717.91
8.1.120.0000.00817.42
8.1.110.0070.00017.39
8.1.100.0030.00517.48
8.1.90.0000.00717.47
8.1.80.0040.00417.39
8.1.70.0000.00717.41
8.1.60.0000.00817.63
8.1.50.0000.00817.38
8.1.40.0000.01117.53
8.1.30.0060.00317.57
8.1.20.0000.00817.64
8.1.10.0040.00417.38
8.1.00.0070.00017.32
8.0.300.0000.00719.85
8.0.290.0050.00316.60
8.0.280.0030.00318.45
8.0.270.0030.00317.25
8.0.260.0000.00816.79
8.0.250.0000.00717.01
8.0.240.0000.00917.02
8.0.230.0030.00317.03
8.0.220.0070.00016.96
8.0.210.0030.00316.85
8.0.200.0030.00317.01
8.0.190.0030.00617.01
8.0.180.0040.00416.86
8.0.170.0030.00616.96
8.0.160.0000.00716.86
8.0.150.0030.00616.91
8.0.140.0000.00716.92
8.0.130.0060.00013.37
8.0.120.0000.00816.89
8.0.110.0040.00416.80
8.0.100.0040.00416.84
8.0.90.0070.00017.02
8.0.80.0090.00916.99
8.0.70.0000.00716.83
8.0.60.0040.00416.78
8.0.50.0000.00716.84
8.0.30.0090.00917.12
8.0.20.0100.01017.01
8.0.10.0000.00717.05
8.0.00.0080.01116.80
7.4.330.0000.00512.93
7.4.320.0000.00616.49
7.4.300.0080.00016.51
7.4.290.0000.00716.40
7.4.280.0030.00316.48
7.4.270.0030.00316.55
7.4.260.0000.00713.25
7.4.250.0050.00216.42
7.4.240.0040.00416.59
7.4.230.0030.00316.57
7.4.220.0150.00416.63
7.4.210.0080.00916.53
7.4.200.0000.00716.41
7.4.190.0030.00316.31
7.4.160.0060.01016.49
7.4.150.0150.00416.63
7.4.140.0100.01016.51
7.4.130.0090.01016.68
7.4.120.0080.00816.60
7.4.110.0120.00916.74
7.4.100.0070.01016.50
7.4.90.0190.00316.38
7.4.80.0200.01716.42
7.4.70.0110.01116.50
7.4.60.0000.01716.48
7.4.50.0040.00416.32
7.4.40.0000.01416.47
7.4.30.0060.01016.41
7.4.00.0070.01015.08
7.3.330.0060.00013.17
7.3.320.0030.00313.23
7.3.310.0030.00416.16
7.3.300.0030.00316.36
7.3.290.0070.01416.35
7.3.280.0050.01116.39
7.3.270.0100.01016.34
7.3.260.0120.00516.50
7.3.250.0120.00916.39
7.3.240.0110.00616.42
7.3.230.0070.01016.49
7.3.210.0100.00616.44
7.3.200.0070.01419.39
7.3.190.0070.01016.23
7.3.180.0130.00316.35
7.3.170.0060.00916.30
7.3.160.0130.00316.53
7.3.120.0030.01414.54
7.2.330.0080.00816.54
7.2.320.0170.00016.50
7.2.310.0150.00616.57
7.2.300.0110.00916.70
7.2.290.0060.01216.78
7.2.00.0060.00819.41
7.1.100.0080.00318.15
7.1.70.0030.00717.24
7.1.60.0170.00719.40
7.1.50.0070.00716.86
7.1.00.0130.06322.48
7.0.200.0370.00714.73
7.0.140.0030.07722.21
7.0.120.0070.07322.20
7.0.60.0100.08719.97
7.0.50.0000.04317.81
7.0.40.0100.07320.05
7.0.30.0330.07720.17
7.0.20.0200.08020.13
7.0.10.0230.03720.16
7.0.00.0070.05020.00
5.6.280.0030.07320.91
5.6.210.0200.06320.53
5.6.200.0070.03718.21
5.6.190.0000.05320.60
5.6.180.4070.04020.64
5.6.170.0330.07320.50
5.6.160.0100.07320.41
5.6.150.0030.04318.18
5.6.140.0030.04018.21
5.6.130.0170.07718.21
5.6.120.0000.04721.04
5.6.110.0100.08320.98
5.6.100.0030.04021.00
5.6.90.0070.05021.10
5.6.80.0170.07320.39
5.6.70.3170.03720.38
5.5.350.0200.06720.46
5.5.340.0100.07717.96
5.5.330.0000.06020.36
5.5.320.0270.03720.24
5.5.310.0300.08020.30
5.5.300.0070.04317.95
5.5.290.0030.04017.91
5.5.280.0100.06720.96
5.5.270.0100.08020.97
5.5.260.0100.03320.68
5.5.250.0100.04320.66
5.5.240.0070.03720.27
5.4.450.0100.07319.52
5.4.440.0170.07719.48
5.4.430.0100.08319.32
5.4.420.0100.06019.11
5.4.410.0100.07719.20
5.4.400.0100.06719.15
5.4.390.0070.04319.09
5.4.380.0030.04019.18
5.4.370.0030.05318.79
5.4.360.0100.07019.15
5.4.350.0130.06719.07
5.4.340.0070.07019.11
5.4.320.0170.05719.18
5.4.310.0070.07719.08
5.4.300.0130.07719.09
5.4.290.0000.04318.80
5.4.280.0030.05718.78
5.4.270.0070.07719.19
5.4.260.0130.05719.07
5.4.250.0100.06719.07
5.4.240.0130.07319.15
5.4.230.0130.06719.08
5.4.220.0070.06019.17
5.4.210.0070.07318.80
5.4.200.0070.04719.13
5.4.190.0100.07319.13
5.4.180.0170.06318.77
5.4.170.0070.07018.91
5.4.160.0030.06319.09
5.4.150.0070.07319.06
5.4.140.0030.05716.35
5.4.130.0100.04316.33
5.4.120.0000.07316.43
5.4.110.0000.04716.23
5.4.100.0030.05716.30
5.4.90.0070.06316.27
5.4.80.0100.06316.22
5.4.70.0000.04316.29
5.4.60.0030.03716.34
5.4.50.0170.06716.21
5.4.40.0130.06016.33
5.4.30.0100.04316.21
5.4.20.0070.04016.25
5.4.10.0030.04016.21
5.4.00.0030.08015.66
5.3.290.0130.05714.61
5.3.280.0000.08314.61
5.3.270.0070.07014.48
5.3.260.0100.05014.60
5.3.250.0030.05014.55
5.3.240.0030.07714.70
5.3.230.0000.05014.48
5.3.220.0030.04714.53
5.3.210.0100.03714.66
5.3.200.0100.04714.51
5.3.190.0070.08014.53
5.3.180.0100.03714.44
5.3.170.0130.07014.50
5.3.160.0000.04014.51
5.3.150.0070.07714.53
5.3.140.0030.08314.49
5.3.130.0070.08314.48
5.3.120.0070.06014.43
5.3.110.0100.04014.48
5.3.100.0170.06313.97
5.3.90.0030.04013.95
5.3.80.0070.05313.96
5.3.70.0030.06013.98
5.3.60.0070.06013.99
5.3.50.0000.05013.79
5.3.40.0030.04713.77
5.3.30.0070.05713.86
5.3.20.0030.05713.51
5.3.10.0130.06013.59
5.3.00.0070.03313.56
5.2.170.0000.06711.03
5.2.160.0070.04711.04
5.2.150.0100.06011.09
5.2.140.0070.06311.09
5.2.130.0000.06311.10
5.2.120.0030.04011.10
5.2.110.0100.02311.09
5.2.100.0070.02711.07
5.2.90.0000.03311.04
5.2.80.0130.05711.09
5.2.70.0070.04311.11
5.2.60.0030.04310.98
5.2.50.0000.05010.95
5.2.40.0000.05310.98
5.2.30.0000.04010.96
5.2.20.0070.05010.95
5.2.10.0070.05710.91
5.2.00.0170.04010.71
5.1.60.0130.04010.02
5.1.50.0030.06010.00
5.1.40.0070.0509.97
5.1.30.0100.05010.50
5.1.20.0030.04010.21
5.1.10.0000.05310.09
5.1.00.0030.05710.05
5.0.50.0070.0238.48
5.0.40.0070.0208.42
5.0.30.0030.0508.21
5.0.20.0030.0478.20
5.0.10.0030.0438.20
5.0.00.0030.0478.21
4.4.90.0000.0378.20
4.4.80.0000.0378.20
4.4.70.0000.0308.20
4.4.60.0000.0378.20
4.4.50.0000.0238.20
4.4.40.0000.0338.20
4.4.30.0000.0378.20
4.4.20.0030.0338.20
4.4.10.0000.0238.20
4.4.00.0030.0578.20
4.3.110.0070.0308.20
4.3.100.0000.0338.20
4.3.90.0030.0208.20
4.3.80.0000.0578.20
4.3.70.0000.0338.20
4.3.60.0030.0208.20
4.3.50.0000.0378.20
4.3.40.0000.0438.20
4.3.30.0030.0278.20
4.3.20.0000.0408.20
4.3.10.0000.0238.20
4.3.00.0030.0178.20

preferences:
63.15 ms | 400 KiB | 5 Q