3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Limit imposed until https://wiki.php.net/rfc/uniform_variable_syntax will be accepted. eval(preg_replace_callback('/g\(.*[\'"]\)/',function($m){ return '"'.str_replace(array('()','"',"'",'(',')'),array('o',''),$m[0]).'"'; },file_get_contents(__FILE__,null,null,__COMPILER_HALT_OFFSET__)));__halt_compiler(); echo g('al'), PHP_EOL; echo g()('al'), PHP_EOL; echo g()()()('al'), PHP_EOL;

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)
8.3.60.0040.01118.93
8.3.50.0150.00222.05
8.3.40.0150.00019.13
8.3.30.0160.00019.00
8.3.20.0050.00220.15
8.3.10.0000.00823.45
8.3.00.0040.00417.93
8.2.180.0090.00616.88
8.2.170.0110.00422.96
8.2.160.0110.00320.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.07
8.2.110.0090.00022.25
8.2.100.0080.00418.28
8.2.90.0000.00719.17
8.2.80.0030.00517.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0000.00818.47
8.2.30.0030.00718.30
8.2.20.0040.00418.05
8.2.10.0000.00818.04
8.2.00.0030.00517.98
8.1.280.0000.01425.92
8.1.270.0000.00923.95
8.1.260.0000.00826.35
8.1.250.0090.00028.09
8.1.240.0030.00622.18
8.1.230.0090.00319.02
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.48
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0040.00418.59
8.1.160.0050.00222.02
8.1.150.0000.00718.92
8.1.140.0000.00817.63
8.1.130.0000.00717.85
8.1.120.0000.00717.48
8.1.110.0000.00717.56
8.1.100.0080.00017.45
8.1.90.0000.00717.52
8.1.80.0040.00417.46
8.1.70.0030.00317.50
8.1.60.0050.00517.58
8.1.50.0090.00017.60
8.1.40.0000.00917.55
8.1.30.0000.00817.67
8.1.20.0060.00317.71
8.1.10.0040.00417.57
8.1.00.0030.00617.66
8.0.300.0040.00418.77
8.0.290.0000.01216.63
8.0.280.0070.00018.48
8.0.270.0040.00417.32
8.0.260.0030.00317.27
8.0.250.0040.00417.19
8.0.240.0000.00717.11
8.0.230.0040.00417.16
8.0.220.0000.00717.09
8.0.210.0030.00317.16
8.0.200.0100.00017.04
8.0.190.0030.00617.17
8.0.180.0000.00717.16
8.0.170.0070.00017.04
8.0.160.0000.00717.08
8.0.150.0000.00817.02
8.0.140.0040.00417.09
8.0.130.0030.00613.51
8.0.120.0030.00517.14
8.0.110.0000.00817.25
8.0.100.0000.00716.99
8.0.90.0040.00417.15
8.0.80.0080.00817.14
8.0.70.0000.00717.03
8.0.60.0000.00816.99
8.0.50.0030.00517.20
8.0.30.0110.01117.18
8.0.20.0130.00617.40
8.0.10.0070.00017.05
8.0.00.0070.01217.04
7.4.330.0000.00515.05
7.4.320.0060.00016.82
7.4.300.0030.00316.80
7.4.290.0080.00016.79
7.4.280.0050.00316.84
7.4.270.0030.00416.88
7.4.260.0030.00316.73
7.4.250.0000.00816.75
7.4.240.0020.00516.85
7.4.230.0040.00416.88
7.4.220.0150.00316.76
7.4.210.0080.01216.98
7.4.200.0000.00816.88
7.4.160.0110.01116.69
7.4.150.0160.00317.40
7.4.140.0120.00517.86
7.4.130.0120.00816.77
7.4.120.0080.00916.75
7.4.110.0160.00716.66
7.4.100.0090.00616.78
7.4.90.0060.01116.82
7.4.80.0170.01319.39
7.4.70.0120.00916.78
7.4.60.0100.00716.72
7.4.50.0030.00616.57
7.4.40.0090.01316.63
7.4.30.0150.00616.89
7.4.00.0100.00715.02
7.3.330.0000.00513.39
7.3.320.0000.00513.36
7.3.310.0040.00416.37
7.3.300.0050.00216.39
7.3.290.0120.00616.46
7.3.280.0060.00916.48
7.3.270.0070.01017.40
7.3.260.0060.01216.77
7.3.250.0090.00816.50
7.3.240.0130.00316.45
7.3.230.0060.01016.41
7.3.210.0130.00316.52
7.3.200.0090.00819.39
7.3.190.0030.01316.55
7.3.180.0070.01016.53
7.3.170.0030.01216.61
7.3.160.0090.00816.77
7.3.120.0040.01214.95
7.3.110.0090.00714.97
7.3.100.0000.00915.34
7.3.90.0090.00315.00
7.3.80.0030.01514.85
7.3.70.0080.00414.95
7.3.60.0090.00615.08
7.3.50.0060.00615.14
7.3.40.0060.00914.97
7.3.30.0130.00314.94
7.3.20.0000.01816.74
7.3.10.0110.00416.75
7.3.00.0090.00616.82
7.2.330.0030.01316.93
7.2.320.0140.00416.89
7.2.310.0090.01016.72
7.2.300.0060.01216.92
7.2.290.0030.01416.83
7.2.250.0070.01015.30
7.2.240.0040.01515.46
7.2.230.0090.00915.11
7.2.220.0100.00314.96
7.2.210.0030.01315.16
7.2.200.0030.00615.34
7.2.190.0030.01315.42
7.2.180.0060.01015.24
7.2.170.0060.00915.38
7.1.330.0040.01215.55
7.1.320.0100.00316.10
7.1.310.0090.00316.20
7.1.300.0000.01416.11
7.1.290.0090.00616.13
7.1.280.0060.00315.98
7.1.270.0030.00616.02
7.1.260.0100.00315.93
7.1.100.0090.00318.21
7.1.70.0030.01017.31
7.1.60.0110.01419.70
7.1.50.0030.01016.78
7.1.00.0000.08022.38
7.0.200.0990.01314.77
7.0.140.0000.07722.21
7.0.60.0070.06720.04
7.0.50.0130.06718.03
7.0.40.0030.06320.26
7.0.30.0300.08020.25
7.0.20.0300.08020.14
7.0.10.0000.05720.26
7.0.00.0100.08020.21
5.6.280.0030.07321.16
5.6.210.0070.08320.61
5.6.200.0070.04018.25
5.6.190.0070.08020.52
5.6.180.0270.07720.67
5.6.170.0330.07020.54
5.6.160.0030.09320.71
5.6.150.0030.08018.27
5.6.140.0030.03718.19
5.6.130.0000.08718.17
5.6.120.0070.05021.02
5.6.110.0030.07320.98
5.6.100.0130.08321.08
5.6.90.0070.05721.13
5.6.80.0100.08320.41
5.5.350.0270.07720.52
5.5.340.0070.08318.09
5.5.330.0000.04320.27
5.5.320.0270.03320.29
5.5.310.0400.06320.41
5.5.300.0100.07717.97
5.5.290.0030.08718.03
5.5.280.0100.07720.88
5.5.270.0070.06720.97
5.5.260.0170.07020.89
5.5.250.0130.06720.71
5.5.240.0100.07020.17
5.4.450.1700.03719.39
5.4.440.1800.05019.40
5.4.430.1730.03719.50
5.4.420.1630.03319.16
5.4.410.1700.04719.18
5.4.400.1600.04018.98
5.4.390.1630.03019.09
5.4.380.1530.04019.24
5.4.370.1530.03719.19
5.4.360.1600.04019.16
5.4.350.1700.03318.88
5.4.340.1670.04019.15
5.4.320.1600.03018.95
5.4.310.1470.02319.17
5.4.300.1430.03719.23
5.4.290.1430.03319.21
5.4.280.1530.04718.98
5.4.270.1300.03719.18
5.4.260.1400.04019.08
5.4.250.1700.04019.05
5.4.240.1730.03319.05
5.4.230.1400.04019.30
5.4.220.1700.04019.23
5.4.210.1570.03719.14
5.4.200.1600.03319.21
5.4.190.1700.05019.13
5.4.180.1430.03718.99
5.4.170.1470.03019.29
5.4.160.1600.03719.20
5.4.150.1400.04318.98
5.4.140.1470.03316.43
5.4.130.1470.02716.40
5.4.120.1370.03716.72
5.4.110.1470.03016.61
5.4.100.1530.03716.59
5.4.90.1730.03316.50
5.4.80.1600.04716.55
5.4.70.1670.04016.49
5.4.60.1530.04016.43
5.4.50.1400.03316.35
5.4.40.1730.03716.51
5.4.30.1600.04016.52
5.4.20.1830.04716.32
5.4.10.1800.04316.52
5.4.00.1630.03715.74
5.3.290.1730.04314.73
5.3.280.1630.04714.51
5.3.270.1630.04314.67
5.3.260.1670.05014.62
5.3.250.1470.03314.84
5.3.240.1700.04314.58
5.3.230.1470.03314.58
5.3.220.1770.04014.63
5.3.210.1600.04014.59
5.3.200.1670.04314.49
5.3.190.1430.03714.55
5.3.180.0030.04314.50
5.3.170.0070.07014.71
5.3.160.0070.06014.65
5.3.150.0870.06714.57
5.3.140.1670.03314.62
5.3.130.1570.04014.54
5.3.120.1970.04014.67
5.3.110.1900.03714.55
5.3.100.1670.04314.02
5.3.90.1930.03714.18
5.3.80.1800.03314.05
5.3.70.1670.03714.01
5.3.60.1670.04014.08
5.3.50.1830.04714.04
5.3.40.1900.04014.00
5.3.30.1600.03713.94
5.3.20.1770.04013.75
5.3.10.1700.03313.68
5.3.00.1800.04313.74
5.2.170.1600.03711.05
5.2.160.1470.02711.15
5.2.150.1370.03311.20
5.2.140.1430.02711.15
5.2.130.1330.03011.26
5.2.120.1400.02710.94
5.2.110.1570.02711.14
5.2.100.1630.03311.18
5.2.90.1370.03010.94
5.2.80.1270.02711.04
5.2.70.1530.03011.14
5.2.60.1470.02711.09
5.2.50.1370.03011.09
5.2.40.1030.03310.84
5.2.30.1330.04010.79
5.2.20.1130.02710.81
5.2.10.1200.02310.81
5.2.00.1170.02710.73
5.1.60.1130.0239.86
5.1.50.1170.0209.87
5.1.40.1100.0209.96
5.1.30.1130.02310.29
5.1.20.1100.02710.26
5.1.10.1070.02710.22
5.1.00.1300.0309.96
5.0.50.0670.0238.45
5.0.40.0600.0278.27
5.0.30.0670.0378.15
5.0.20.0700.0208.20
5.0.10.0700.0208.06
5.0.00.0770.0438.38
4.4.90.0570.0178.00
4.4.80.0730.0278.00
4.4.70.0600.0178.00
4.4.60.0600.0278.00
4.4.50.0530.0138.00
4.4.40.0500.0278.00
4.4.30.0670.0278.00
4.4.20.0600.0238.00
4.4.10.0770.0238.00
4.4.00.0700.0378.00
4.3.110.0630.0138.00
4.3.100.0770.0238.00
4.3.90.0500.0138.00
4.3.80.0570.0238.00
4.3.70.0730.0238.00
4.3.60.0670.0278.00
4.3.50.0670.0208.00
4.3.40.0670.0238.00
4.3.30.0300.0208.00
4.3.20.0300.0208.00
4.3.10.0370.0308.00
4.3.00.0430.0278.00

preferences:
57.22 ms | 401 KiB | 5 Q