3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hello = "hello"; $world = "world"; ${$hello . $world} = $hello ." ". $world; echo $helloworld;

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)
8.3.60.0140.00716.75
8.3.50.0150.00817.50
8.3.40.0040.01118.73
8.3.30.0110.00418.57
8.3.20.0050.00218.57
8.3.10.0000.00918.79
8.3.00.0040.00419.18
8.2.180.0070.01116.75
8.2.170.0170.00322.96
8.2.160.0130.00320.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0140.00026.16
8.2.120.0000.00821.14
8.2.110.0040.00720.95
8.2.100.0040.00717.78
8.2.90.0040.00419.64
8.2.80.0070.00019.28
8.2.70.0040.00417.63
8.2.60.0020.00717.93
8.2.50.0050.00318.07
8.2.40.0080.00018.28
8.2.30.0000.00818.07
8.2.20.0070.00317.83
8.2.10.0070.00017.59
8.2.00.0000.00817.69
8.1.280.0110.00425.92
8.1.270.0030.00524.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0080.00022.66
8.1.230.0080.00421.03
8.1.220.0000.00817.74
8.1.210.0000.00818.89
8.1.200.0060.00317.35
8.1.190.0000.00717.41
8.1.180.0000.00818.10
8.1.170.0000.00818.75
8.1.160.0000.00818.89
8.1.150.0000.00818.71
8.1.140.0040.00417.36
8.1.130.0030.00317.88
8.1.120.0000.00817.46
8.1.110.0050.00217.51
8.1.100.0070.00017.43
8.1.90.0070.00017.43
8.1.80.0030.00417.38
8.1.70.0000.00817.45
8.1.60.0040.00417.60
8.1.50.0030.00517.48
8.1.40.0040.00417.42
8.1.30.0050.00317.60
8.1.20.0000.00717.70
8.1.10.0000.00817.40
8.1.00.0030.00617.31
8.0.300.0000.00820.03
8.0.290.0000.00716.75
8.0.280.0040.00418.34
8.0.270.0070.00017.14
8.0.260.0000.00716.88
8.0.250.0000.00816.92
8.0.240.0030.00616.89
8.0.230.0050.00316.97
8.0.220.0050.00316.92
8.0.210.0040.00416.79
8.0.200.0030.00316.96
8.0.190.0040.00416.93
8.0.180.0000.00916.85
8.0.170.0000.01016.87
8.0.160.0000.00716.94
8.0.150.0060.00316.80
8.0.140.0000.00716.82
8.0.130.0000.00613.32
8.0.120.0030.00516.71
8.0.110.0040.00416.73
8.0.100.0060.00316.91
8.0.90.0040.00416.85
8.0.80.0060.01516.95
8.0.70.0050.00316.96
8.0.60.0000.00716.95
8.0.50.0040.00416.93
8.0.30.0090.00916.96
8.0.20.0090.00816.99
8.0.10.0040.00417.04
8.0.00.0140.00516.73
7.4.330.0000.00512.99
7.4.320.0040.00416.66
7.4.300.0000.00716.46
7.4.290.0080.00016.46
7.4.280.0000.00716.59
7.4.270.0000.00716.63
7.4.260.0050.00013.28
7.4.250.0030.00616.45
7.4.240.0020.00516.51
7.4.230.0030.00316.46
7.4.220.0110.00816.59
7.4.210.0050.00916.54
7.4.200.0030.00316.52
7.4.190.0050.00316.46
7.4.160.0030.01316.39
7.4.150.0090.00816.42
7.4.140.0110.00716.52
7.4.130.0070.01316.46
7.4.120.0120.00516.56
7.4.110.0100.00716.39
7.4.100.0070.01116.55
7.4.90.0070.01016.71
7.4.80.0070.01019.39
7.4.70.0090.00816.66
7.4.60.0120.00416.61
7.4.50.0130.00016.48
7.4.40.0070.00716.60
7.4.30.0040.01216.37
7.4.00.0060.00915.00
7.3.330.0060.00013.18
7.3.320.0000.00513.25
7.3.310.0000.00716.20
7.3.300.0000.00616.12
7.3.290.0090.01216.15
7.3.280.0080.00816.20
7.3.270.0150.00916.32
7.3.260.0100.00716.32
7.3.250.0150.00216.47
7.3.240.0070.00816.24
7.3.230.0070.01016.40
7.3.210.0100.00716.41
7.3.200.0140.00316.60
7.3.190.0030.01816.45
7.3.180.0100.00716.26
7.3.170.0170.00016.72
7.3.160.0120.00616.36
7.3.120.0030.01214.60
7.2.330.0030.01516.54
7.2.320.0120.00416.76
7.2.310.0110.01116.62
7.2.300.0090.00916.78
7.2.290.0110.00716.66
7.2.00.0030.00919.34
7.1.100.0090.00617.79
7.1.70.0030.00716.89
7.1.60.0130.01019.40
7.1.50.0040.00716.93
7.1.00.0030.03722.31
7.0.200.0240.01014.76
7.0.140.0100.06322.10
7.0.120.0100.06722.02
7.0.60.0000.08719.93
7.0.50.0030.05717.90
7.0.40.0030.09020.04
7.0.30.0270.04020.04
7.0.20.0230.09020.18
7.0.10.0230.06020.13
7.0.00.0100.08320.09
5.6.210.0100.07720.47
5.6.200.0030.04318.11
5.6.190.0100.04020.43
5.6.180.0170.05320.59
5.6.170.0200.05320.64
5.6.160.0130.03720.44
5.6.150.0200.07018.16
5.6.140.0100.06318.17
5.6.130.0100.08318.21
5.6.120.0070.07320.98
5.6.110.0100.07320.97
5.6.100.0100.08021.00
5.6.90.0070.08320.96
5.6.80.0030.08720.40
5.6.70.0030.03720.35
5.5.350.0270.05020.45
5.5.340.0070.08317.88
5.5.330.0130.08020.21
5.5.320.0270.07320.41
5.5.310.0270.06720.27
5.5.300.0070.03717.89
5.5.290.0230.06717.98
5.5.280.0100.06720.98
5.5.270.0170.08320.75
5.5.260.0070.04020.96
5.5.250.0030.04020.57
5.5.240.0030.06320.06
5.4.450.2170.04319.24
5.4.440.2170.04319.40
5.4.430.1870.04019.39
5.4.420.2200.04019.40
5.4.410.2130.04019.13
5.4.400.2070.04019.16
5.4.390.2130.04019.06
5.4.380.2170.03719.11
5.4.370.2170.04719.17
5.4.360.2330.04018.80
5.4.350.2100.04018.91
5.4.340.1830.04019.08
5.4.320.2070.04019.10
5.4.310.2070.04019.10
5.4.300.1870.03718.88
5.4.290.2000.04719.06
5.4.280.2100.03319.09
5.4.270.2100.04318.93
5.4.260.1930.04019.15
5.4.250.2330.04018.94
5.4.240.2100.04318.80
5.4.230.2130.03319.08
5.4.220.2000.04018.73
5.4.210.2100.04019.23
5.4.200.1800.04019.12
5.4.190.2070.04319.11
5.4.180.2070.03318.92
5.4.170.1870.03719.14
5.4.160.2070.04018.93
5.4.150.2300.04019.05
5.4.140.2100.04316.45
5.4.130.2030.03716.21
5.4.120.1830.03716.30
5.4.110.1830.04716.36
5.4.100.2070.04016.21
5.4.90.1970.03316.21
5.4.80.1900.03016.36
5.4.70.1830.03316.49
5.4.60.1830.04016.46
5.4.50.1830.03316.38
5.4.40.1800.04316.35
5.4.30.2130.03716.37
5.4.20.2070.04016.18
5.4.10.2070.04016.15
5.4.00.1870.03315.67
5.3.290.2070.04314.62
5.3.280.1870.03314.54
5.3.270.1900.03314.61
5.3.260.1870.03714.59
5.3.250.1900.03714.54
5.3.240.1970.03014.44
5.3.230.1900.03714.68
5.3.220.2000.03314.61
5.3.210.2000.04714.61
5.3.200.2000.03314.44
5.3.190.2130.04014.42
5.3.180.2230.03314.50
5.3.170.2000.04014.43
5.3.160.2030.03314.60
5.3.150.2070.04014.50
5.3.140.2230.03314.42
5.3.130.2030.04014.40
5.3.120.1930.04014.37
5.3.110.2200.04314.40
5.3.100.1930.04314.13
5.3.90.1970.03714.03
5.3.80.1830.04314.00
5.3.70.1830.03713.92
5.3.60.1900.03314.10
5.3.50.1830.04013.74
5.3.40.1970.03013.89
5.3.30.2030.03313.86
5.3.20.2200.04013.64
5.3.10.2030.04013.70
5.3.00.2130.03713.48
5.2.170.1700.02711.00
5.2.160.1730.03311.16
5.2.150.1830.03311.00
5.2.140.1900.03311.00
5.2.130.1830.02310.95
5.2.120.1630.02311.12
5.2.110.1770.03011.14
5.2.100.1570.02311.04
5.2.90.1530.02710.94
5.2.80.1830.03311.03
5.2.70.1870.03311.24
5.2.60.1730.03311.05
5.2.50.1700.03311.06
5.2.40.1430.02310.88
5.2.30.1400.03010.82
5.2.20.1400.03011.04
5.2.10.1400.03311.01
5.2.00.1470.02710.82
5.1.60.1270.02710.00
5.1.50.1370.0279.88
5.1.40.1470.03010.09
5.1.30.1470.03010.49
5.1.20.1470.03010.39
5.1.10.1500.0279.96
5.1.00.1530.02710.11
5.0.50.0730.0308.51
5.0.40.0730.0238.38
5.0.30.0770.0378.23
5.0.20.0800.0178.28
5.0.10.0830.0338.09
5.0.00.0730.0308.38
4.4.90.0830.0207.69
4.4.80.0770.0277.69
4.4.70.0770.0237.69
4.4.60.0700.0207.69
4.4.50.0670.0177.69
4.4.40.0630.0237.69
4.4.30.0630.0137.69
4.4.20.0830.0207.69
4.4.10.0630.0137.69
4.4.00.0630.0207.69
4.3.110.0600.0207.69
4.3.100.0670.0207.69
4.3.90.0600.0177.69
4.3.80.0600.0237.69
4.3.70.0830.0237.69
4.3.60.0800.0277.69
4.3.50.0570.0177.69
4.3.40.0930.0237.69
4.3.30.0570.0177.69
4.3.20.0370.0237.69
4.3.10.0330.0137.69
4.3.00.0400.0277.69

preferences:
36.52 ms | 401 KiB | 5 Q