3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); echo 'ul_u'; define('UL_U', 'foo', true); define('ul_u', 'foo'); echo "\n"; echo 'ul_l'; define('UL_L', 'foo'); define('ul_l', 'foo', true); echo "\n"; echo "\n"; echo 'um_u'; define('UM_U', 'foo', true); define('Um_u', 'foo'); echo "\n"; echo 'um_m'; define('UM_M', 'foo'); define('Um_m', 'foo', true); echo "\n"; echo "\n"; echo 'lu_l'; define('lu_l', 'foo', true); define('LU_L', 'foo'); echo "\n"; echo 'lu_u'; define('lu_u', 'foo'); define('LU_U', 'foo', true); echo "\n"; echo "\n"; echo 'lm_l'; define('lm_l', 'foo', true); define('Lm_l', 'foo'); echo "\n"; echo 'lm_m'; define('lm_m', 'foo'); define('Lm_m', 'foo', true); echo "\n"; echo "\n"; echo 'mu_m'; define('Mu_m', 'foo', true); define('MU_M', 'foo'); echo "\n"; echo 'mu_u'; define('Mu_u', 'foo'); define('MU_U', 'foo', true); echo "\n"; echo "\n"; echo 'ml_m'; define('Ml_m', 'foo', true); define('ml_m', 'foo'); echo "\n"; echo 'ml_l'; define('Ml_l', 'foo'); define('ml_l', 'foo', true); echo "\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)
8.3.60.0110.00418.30
8.3.50.0140.00522.04
8.3.40.0120.00918.75
8.3.30.0030.01118.96
8.3.20.0090.00020.34
8.3.10.0090.00022.09
8.3.00.0080.00022.57
8.2.180.0130.00618.48
8.2.170.0060.00922.96
8.2.160.0040.01120.93
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0070.00317.38
8.2.110.0060.00322.06
8.2.100.0080.00317.91
8.2.90.0000.00819.22
8.2.80.0030.00619.54
8.2.70.0060.00317.50
8.2.60.0040.00417.92
8.2.50.0040.00818.07
8.2.40.0060.00318.16
8.2.30.0040.00418.06
8.2.20.0060.00317.65
8.2.10.0000.00817.62
8.2.00.0050.00317.67
8.1.280.0090.00925.92
8.1.270.0040.00422.22
8.1.260.0030.00526.35
8.1.250.0050.00228.09
8.1.240.0060.00323.86
8.1.230.0120.00019.28
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0070.00317.23
8.1.190.0030.00617.53
8.1.180.0040.00418.10
8.1.170.0000.00918.77
8.1.160.0080.00021.94
8.1.150.0050.00218.63
8.1.140.0040.00417.26
8.1.130.0070.00017.74
8.1.120.0030.00517.31
8.1.110.0000.00717.28
8.1.100.0040.00417.27
8.1.90.0000.00717.23
8.1.80.0000.00717.42
8.1.70.0070.00017.29
8.1.60.0040.00417.44
8.1.50.0040.00417.44
8.1.40.0070.00017.51
8.1.30.0040.00417.58
8.1.20.0030.00517.58
8.1.10.0030.00517.55
8.1.00.0000.00717.46
8.0.300.0040.00418.77
8.0.290.0040.00417.28
8.0.280.0030.00318.44
8.0.270.0070.00017.26
8.0.260.0000.00716.75
8.0.250.0040.00417.00
8.0.240.0080.00016.96
8.0.230.0030.00316.83
8.0.220.0030.00316.80
8.0.210.0070.00016.85
8.0.200.0030.00316.89
8.0.190.0030.00516.95
8.0.180.0000.00716.93
8.0.170.0040.00416.97
8.0.160.0030.00616.74
8.0.150.0030.00316.79
8.0.140.0000.00816.91
8.0.130.0000.00513.32
8.0.120.0040.00416.85
8.0.110.0050.00316.84
8.0.100.0080.00017.01
8.0.90.0050.00316.96
8.0.80.0070.00716.92
8.0.70.0030.00516.85
8.0.60.0040.00416.73
8.0.50.0070.00016.88
8.0.30.0100.01217.05
8.0.20.0100.01017.40
8.0.10.0040.00416.88
8.0.00.0150.00816.66
7.4.330.0030.00315.00
7.4.320.0080.00016.48
7.4.300.0030.00316.57
7.4.290.0070.00016.41
7.4.280.0040.00416.53
7.4.270.0000.00716.50
7.4.260.0030.00316.45
7.4.250.0070.00016.33
7.4.240.0020.00516.47
7.4.230.0030.00316.51
7.4.220.0100.01316.39
7.4.210.0100.00716.58
7.4.200.0000.00716.34
7.4.190.0040.00416.39
7.4.160.0060.01016.48
7.4.150.0150.00417.40
7.4.140.0080.01217.86
7.4.130.0110.01116.45
7.4.120.0060.01216.41
7.4.110.0140.00716.63
7.4.100.0090.01416.51
7.4.90.0110.00716.40
7.4.80.0030.01519.39
7.4.70.0070.01016.43
7.4.60.0070.01016.47
7.4.50.0050.00016.39
7.4.40.0130.00322.77
7.4.30.0030.01416.64
7.4.00.0080.01014.97
7.3.330.0000.00513.01
7.3.320.0030.00313.17
7.3.310.0000.00816.40
7.3.300.0070.00016.22
7.3.290.0090.01016.28
7.3.280.0110.00616.24
7.3.270.0100.00717.40
7.3.260.0130.01016.57
7.3.250.0100.01216.22
7.3.240.0130.00316.52
7.3.230.0040.01316.39
7.3.210.0000.01916.34
7.3.200.0120.01119.39
7.3.190.0150.00316.18
7.3.180.0100.01016.55
7.3.170.0120.00616.38
7.3.160.0130.00716.43
7.3.120.0090.00814.62
7.3.110.0120.00614.86
7.3.100.0120.00614.79
7.3.90.0050.00514.75
7.3.80.0060.00914.82
7.3.70.0060.00914.76
7.3.60.0030.00614.63
7.3.50.0090.00614.61
7.3.40.0100.00614.78
7.3.30.0030.00914.84
7.3.20.0060.00916.55
7.3.10.0070.00316.53
7.3.00.0030.01016.56
7.2.330.0130.00616.64
7.2.320.0120.00616.36
7.2.310.0100.00716.68
7.2.300.0130.00416.54
7.2.290.0120.01316.23
7.2.250.0070.01314.88
7.2.240.0100.01015.02
7.2.230.0000.01514.82
7.2.220.0080.00614.86
7.2.210.0070.01015.20
7.2.200.0070.00714.56
7.2.190.0130.00015.08
7.2.180.0000.01515.09
7.2.170.0000.01514.87
7.2.00.0070.00719.38
7.1.330.0100.00715.66
7.1.320.0000.01415.63
7.1.310.0030.00615.33
7.1.300.0060.00615.63
7.1.290.0040.01215.56
7.1.280.0070.00715.64
7.1.270.0140.00315.46
7.1.260.0000.01315.75
7.1.100.0000.00818.04
7.1.70.0100.00316.66
7.1.60.0100.00619.82
7.1.50.0090.01216.94
7.1.00.0100.06722.54
7.0.200.0130.00316.61
7.0.140.0030.07322.04
7.0.60.0100.08019.99
7.0.50.0070.07717.91
7.0.40.0170.05020.24
7.0.30.0300.05320.21
7.0.20.0330.04720.33
7.0.10.0270.07320.24
7.0.00.0070.08720.07
5.6.280.0100.06721.00
5.6.210.0030.07020.48
5.6.200.0130.08018.19
5.6.190.0070.08320.39
5.6.180.3630.04020.43
5.6.170.0330.06020.50
5.6.160.0070.05320.50
5.6.150.0100.07718.18
5.6.140.0100.07718.10
5.6.130.0200.07318.11
5.6.120.0000.04321.11
5.6.110.0100.04020.98
5.6.100.0130.07721.01
5.6.90.0130.06020.98
5.6.80.0030.08320.44
5.6.70.0300.07020.38
5.5.350.0130.07020.34
5.5.340.0100.05317.98
5.5.330.0030.05320.37
5.5.320.0170.04020.19
5.5.310.0370.07020.20
5.5.300.0000.04017.95
5.5.290.0000.05717.97
5.5.280.0070.08720.88
5.5.270.0100.06020.78
5.5.260.0100.08020.97
5.5.250.0170.05720.59
5.5.240.0130.03720.25
5.4.450.0600.05719.64
5.4.440.0300.06019.54
5.4.430.0130.05319.38
5.4.420.0030.06319.49
5.4.410.0170.05019.22
5.4.400.0070.05318.61
5.4.390.0030.06318.69
5.4.380.0230.06018.50
5.4.370.0270.04318.74
5.4.360.0170.05018.51
5.4.350.0270.04718.50
5.4.340.0130.06018.75
5.4.320.0080.04312.47
5.4.310.0070.04112.47
5.4.300.0010.04012.47
5.4.290.0030.04012.46
5.4.280.0080.03212.36
5.4.270.0130.05718.79
5.4.260.0130.07319.09
5.4.250.0100.05719.07
5.4.240.0030.06718.94
5.4.230.0170.04718.91
5.4.220.0100.06319.01
5.4.210.0130.07019.00
5.4.200.0130.06019.00
5.4.190.0100.07719.00
5.4.180.0100.07319.00
5.4.170.0100.06018.87
5.4.160.0200.06318.92
5.4.150.0100.05319.06
5.4.140.0070.06016.48
5.4.130.0100.06716.60
5.4.120.0070.07016.44
5.4.110.0130.05316.49
5.4.100.0070.05016.61
5.4.90.0130.06716.61
5.4.80.0070.06716.39
5.4.70.0100.06716.34
5.4.60.0170.06016.63
5.4.50.0170.04316.59
5.4.40.0070.04716.61
5.4.30.0170.05716.32
5.4.20.0170.06316.37
5.4.10.0100.05316.27
5.4.00.0170.07315.92
5.3.290.0050.03912.80
5.3.280.0200.06014.75
5.3.270.0200.06314.79
5.3.260.0030.08014.73
5.3.250.0130.06714.61
5.3.240.0070.07314.61
5.3.230.0000.07714.41
5.3.220.0070.07014.57
5.3.210.0130.06014.74
5.3.200.0130.05014.74
5.3.190.0070.05714.58
5.3.180.0030.06014.80
5.3.170.0170.05014.78
5.3.160.0100.05014.74
5.3.150.0100.05014.66
5.3.140.0070.07314.62
5.3.130.0070.06714.75
5.3.120.0100.05314.39
5.3.110.0130.06314.65
5.3.100.0130.06014.11
5.3.90.0100.04714.14
5.3.80.0070.06314.02
5.3.70.0130.05714.19
5.3.60.0100.05314.00
5.3.50.0130.06713.95
5.3.40.0170.06314.13
5.3.30.0030.05714.12
5.3.20.0100.05713.63
5.3.10.0170.05013.65
5.3.00.0200.05313.71
5.2.170.0100.05011.21
5.2.160.0030.04311.21
5.2.150.0200.05311.09
5.2.140.0030.05311.08
5.2.130.0170.04711.34
5.2.120.0000.05711.10
5.2.110.0070.04711.13
5.2.100.0270.05011.22
5.2.90.0170.05311.24
5.2.80.0100.04711.32
5.2.70.0030.07011.09
5.2.60.0130.05011.21
5.2.50.0030.04011.27
5.2.40.0200.04711.13
5.2.30.0070.04710.97
5.2.20.0030.04311.11
5.2.10.0030.04711.05
5.2.00.0070.04711.02
5.1.60.0030.03710.10
5.1.50.0030.04710.09
5.1.40.0200.02310.29
5.1.30.0070.05010.55
5.1.20.0070.04010.54
5.1.10.0100.03010.29
5.1.00.0000.04710.29
5.0.50.0000.0308.85
5.0.40.0100.0338.40
5.0.30.0030.0508.11
5.0.20.0030.0338.41
5.0.10.0030.0408.29
5.0.00.0030.0408.51
4.4.90.0000.0306.11
4.4.80.0030.0276.11
4.4.70.0030.0306.11
4.4.60.0000.0306.11
4.4.50.0130.0136.11
4.4.40.0070.0336.11
4.4.30.0000.0236.11
4.4.20.0030.0276.11
4.4.10.0070.0336.11
4.4.00.0100.0306.11
4.3.110.0030.0236.11
4.3.100.0130.0136.11
4.3.90.0000.0336.11
4.3.80.0000.0436.11
4.3.70.0100.0176.11
4.3.60.0000.0336.11
4.3.50.0000.0276.11
4.3.40.0030.0376.11
4.3.30.0000.0276.11
4.3.20.0030.0236.11
4.3.10.0030.0236.11
4.3.00.0130.0207.02

preferences:
41.31 ms | 401 KiB | 5 Q