3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vars = array('a1', '1a', 'ačervený'); foreach($vars as $var) { $$var = 'x'; } ${'a1'} = 'y'; ${'1a'} = 'y'; ${'ačervený'} = 'y'; $a = 1; $A = 2; var_dump($a, $A); $shit💩 = 'a'; var_dump($shit💩);

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)
8.3.60.0100.01016.75
8.3.50.0110.00318.11
8.3.40.0110.00418.87
8.3.30.0030.01018.88
8.3.20.0080.00020.30
8.3.10.0070.00021.90
8.3.00.0040.00419.09
8.2.180.0110.00716.32
8.2.170.0140.00322.96
8.2.160.0110.00320.25
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00419.77
8.2.110.0000.01020.36
8.2.100.0100.00317.75
8.2.90.0040.00419.26
8.2.80.0000.00817.97
8.2.70.0090.00017.75
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0030.00619.95
8.2.30.0000.00718.05
8.2.20.0000.00817.81
8.2.10.0000.00718.05
8.2.00.0000.00817.68
8.1.280.0070.01425.92
8.1.270.0040.00419.01
8.1.260.0040.00426.35
8.1.250.0000.00928.09
8.1.240.0100.00023.92
8.1.230.0080.00318.82
8.1.220.0000.00717.77
8.1.210.0050.00318.77
8.1.200.0030.00617.13
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0040.00420.43
8.1.160.0040.00422.00
8.1.150.0000.00818.89
8.1.140.0000.00717.45
8.1.130.0030.00317.90
8.1.120.0000.00717.51
8.1.110.0000.00717.48
8.1.100.0050.00317.45
8.1.90.0050.00317.46
8.1.80.0050.00217.28
8.1.70.0030.00317.33
8.1.60.0000.00817.47
8.1.50.0040.00417.57
8.1.40.0040.00417.41
8.1.30.0030.00517.67
8.1.20.0060.00317.56
8.1.10.0070.00017.40
8.1.00.0080.00017.37
8.0.300.0020.00518.77
8.0.290.0000.00716.75
8.0.280.0020.00518.36
8.0.270.0000.00717.25
8.0.260.0000.00717.25
8.0.250.0040.00416.89
8.0.240.0030.00317.01
8.0.230.0030.00316.83
8.0.220.0000.00716.73
8.0.210.0000.00716.75
8.0.200.0030.00316.91
8.0.190.0030.00316.99
8.0.180.0000.00816.81
8.0.170.0040.00416.80
8.0.160.0050.00316.85
8.0.150.0000.00716.76
8.0.140.0030.00416.87
8.0.130.0030.00313.29
8.0.120.0080.00016.83
8.0.110.0000.00716.88
8.0.100.0040.00417.00
8.0.90.0000.00716.93
8.0.80.0040.01116.86
8.0.70.0080.00016.95
8.0.60.0000.00816.76
8.0.50.0000.00716.99
8.0.30.0020.01417.08
8.0.20.0130.00517.40
8.0.10.0070.00016.83
8.0.00.0100.00616.83
7.4.330.0050.00015.17
7.4.320.0070.00016.61
7.4.300.0040.00416.48
7.4.290.0060.00316.61
7.4.280.0040.00416.36
7.4.270.0040.00416.43
7.4.260.0040.00416.39
7.4.250.0040.00416.46
7.4.240.0020.00616.60
7.4.230.0070.00016.63
7.4.220.0080.00816.54
7.4.210.0050.01216.50
7.4.200.0000.00716.30
7.4.160.0060.01216.44
7.4.150.0110.00617.40
7.4.140.0110.00617.86
7.4.130.0060.01316.51
7.4.120.0110.00816.46
7.4.110.0030.01516.60
7.4.100.0090.00916.66
7.4.90.0070.01016.48
7.4.80.0060.00919.39
7.4.70.0150.00016.38
7.4.60.0070.01316.46
7.4.50.0030.00616.42
7.4.40.0050.01116.42
7.4.30.0140.00816.52
7.4.00.0080.00414.94
7.3.330.0000.00513.07
7.3.320.0080.00413.23
7.3.310.0070.00016.42
7.3.300.0030.00316.24
7.3.290.0040.00416.37
7.3.280.0110.00716.34
7.3.270.0130.00317.40
7.3.260.0110.00616.33
7.3.250.0110.01116.27
7.3.240.0100.00716.35
7.3.230.0070.01516.39
7.3.210.0060.01116.41
7.3.200.0060.01219.39
7.3.190.0040.01216.38
7.3.180.0070.01116.35
7.3.170.0110.00616.57
7.3.160.0100.01116.54
7.2.330.0070.01116.46
7.2.320.0120.00616.68
7.2.310.0220.02316.70
7.2.300.0170.00016.40
7.2.290.0160.00616.64
7.2.60.0070.00716.77
7.2.00.0060.00919.52
7.1.200.0030.01015.64
7.1.100.0040.00818.20
7.1.70.0090.00617.35
7.1.60.0030.01019.46
7.1.50.0210.01734.89
7.1.00.0100.07022.43
7.0.200.1630.00314.64
7.0.140.0030.04722.21
7.0.60.0070.04720.02
7.0.50.0030.08317.86
7.0.40.0100.04320.23
7.0.30.0070.05020.20
7.0.20.0370.07020.13
7.0.10.0130.06720.07
7.0.00.0130.08020.19
5.6.280.0000.07720.92
5.6.210.0030.04720.49
5.6.200.0070.05718.08
5.6.190.0030.04320.45
5.6.180.0170.04720.30
5.6.170.0370.07320.64
5.6.160.0200.07020.54
5.6.150.0030.03718.21
5.6.140.0070.08018.11
5.6.130.0000.04318.12
5.6.120.0100.08021.00
5.6.110.0030.04721.02
5.6.100.0000.05321.04
5.6.90.0100.07720.99
5.6.80.0030.05320.37
5.6.70.0230.07320.34
5.5.350.0100.07020.52
5.5.340.0030.07018.02
5.5.330.0030.04020.36
5.5.320.0070.05720.41
5.5.310.0330.06720.28
5.5.300.0170.08017.91
5.5.290.0070.04717.95
5.5.280.0030.04720.77
5.5.270.0200.06720.86
5.5.260.0130.04720.88
5.5.250.0100.08320.77
5.5.240.0000.05720.15
5.4.450.3830.03719.12
5.4.440.3570.03719.13
5.4.430.3800.04019.14
5.4.420.3930.03019.20
5.4.410.3730.04019.28
5.4.400.3570.03718.83
5.4.390.3000.04319.08
5.4.380.3100.03719.09
5.4.370.3470.04318.81
5.4.360.3130.04319.16
5.4.350.3330.03319.21
5.4.340.3270.03719.06
5.4.320.3230.04019.10
5.4.310.3630.03319.09
5.4.300.3170.03719.21
5.4.290.3270.03718.91
5.4.280.3200.04018.91
5.4.270.3070.03718.91
5.4.260.3000.04718.93
5.4.250.3030.03718.76
5.4.240.4070.03319.05
5.4.230.3570.04018.91
5.4.220.4770.03019.23
5.4.210.3030.04719.05
5.4.200.3230.04018.92
5.4.190.2630.04019.15
5.4.180.2900.04019.11
5.4.170.3170.03719.14
5.4.160.3230.04018.86
5.4.150.3000.03318.93
5.4.140.3030.04016.27
5.4.130.2900.03716.32
5.4.120.3130.04016.30
5.4.110.3300.02716.34
5.4.100.3130.03716.47
5.4.90.3300.03316.47
5.4.80.3230.03316.37
5.4.70.3270.03316.29
5.4.60.3200.02316.19
5.4.50.3170.03716.04
5.4.40.3100.04316.38
5.4.30.3070.03316.35
5.4.20.3600.03716.45
5.4.10.3770.03316.46
5.4.00.2770.03715.71
5.3.290.3430.03314.57
5.3.280.3470.04714.43
5.3.270.3070.03714.44
5.3.260.3270.03714.48
5.3.250.2430.03714.46
5.3.240.3530.03714.51
5.3.230.3070.03314.54
5.3.220.3270.03314.41
5.3.210.3230.04014.42
5.3.200.3000.03714.52
5.3.190.3430.04314.61
5.3.180.3170.03714.40
5.3.170.3270.03714.39
5.3.160.3030.03314.41
5.3.150.3100.03314.49
5.3.140.3230.03714.50
5.3.130.3100.03714.39
5.3.120.3230.04314.53
5.3.110.3330.03014.42
5.3.100.3270.04013.87
5.3.90.3230.04013.96
5.3.80.3300.04013.97
5.3.70.3270.03713.85
5.3.60.3330.03013.91
5.3.50.3130.03313.72
5.3.40.3270.03713.91
5.3.30.2970.03713.82
5.3.20.3430.03713.64
5.3.10.3400.04013.61
5.3.00.3470.04013.54
5.2.170.2900.03312.61
5.2.160.2870.03312.61
5.2.150.2870.03712.61
5.2.140.2900.03012.61
5.2.130.2470.02712.61
5.2.120.2670.01712.61
5.2.110.2370.02712.61
5.2.100.2630.02312.61
5.2.90.2330.02712.61
5.2.80.2600.02312.61
5.2.70.2630.03312.61
5.2.60.2300.02712.61
5.2.50.2830.02312.61
5.2.40.2170.03012.61
5.2.30.2030.02712.61
5.2.20.2700.02712.61
5.2.10.2030.02712.61
5.2.00.1800.02712.61
5.1.60.2030.02312.61
5.1.50.1670.02312.61
5.1.40.2000.02312.61
5.1.30.2030.02312.61
5.1.20.2000.03012.61
5.1.10.1830.02312.61
5.1.00.2100.03012.61
5.0.50.1070.01712.61
5.0.40.1030.02012.61
5.0.30.1070.02712.61
5.0.20.1030.01712.61
5.0.10.1000.01712.61
5.0.00.1030.02712.61
4.4.90.1030.01312.61
4.4.80.1270.01712.61
4.4.70.1070.01712.61
4.4.60.1170.02012.61
4.4.50.0930.02012.61
4.4.40.1270.02712.61
4.4.30.1070.01312.61
4.4.20.1270.01712.61
4.4.10.1230.02012.61
4.4.00.0870.02712.61
4.3.110.1230.02312.61
4.3.100.1130.01312.61
4.3.90.1230.02012.61
4.3.80.1030.02712.61
4.3.70.1130.01312.61
4.3.60.1030.01312.61
4.3.50.1030.01312.61
4.3.40.1200.02312.61
4.3.30.0630.01712.61
4.3.20.0570.01712.61
4.3.10.0500.01712.61
4.3.00.0570.02012.61

preferences:
61.15 ms | 400 KiB | 5 Q