3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!function_exists('cd')) { function cd($var) { var_dump($var); } } function corban_error_handler($errno , $errstr, $errfile, $errline) { echo '<pre>'; print_r(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS)); echo '</pre>'; cd($errno); cd($errstr); cd($errfile); cd($errline); if ( version_compare(PHP_VERSION, '5.0.0', '>=') ) { $file = new SplFileObject($errfile); $file->seek($errline-1); echo $file->current(); } return false; } set_error_handler ('corban_error_handler', E_NOTICE); $b = null; cd($a); cd($b);

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)
8.3.60.0080.00618.56
8.3.50.0100.00722.05
8.3.40.0070.00718.68
8.3.30.0150.00018.92
8.3.20.0030.00620.16
8.3.10.0000.00721.95
8.3.00.0040.00417.68
8.2.180.0120.00916.75
8.2.170.0110.00322.96
8.2.160.0110.00420.30
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0050.00320.96
8.2.110.0060.00322.08
8.2.100.0090.00317.84
8.2.90.0080.00019.27
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0000.00818.04
8.2.50.0080.00018.07
8.2.40.0040.00418.16
8.2.30.0070.00018.19
8.2.20.0040.00417.75
8.2.10.0070.00018.00
8.2.00.0030.00517.79
8.1.280.0110.01125.92
8.1.270.0050.00323.96
8.1.260.0040.00426.35
8.1.250.0150.00028.09
8.1.240.0060.00323.73
8.1.230.0040.00819.16
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0000.01117.35
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0050.00318.72
8.1.160.0040.00422.01
8.1.150.0050.00218.87
8.1.140.0000.00817.41
8.1.130.0000.00717.81
8.1.120.0000.00717.39
8.1.110.0020.00517.46
8.1.100.0000.00817.35
8.1.90.0030.00417.38
8.1.80.0000.00717.49
8.1.70.0040.00417.34
8.1.60.0000.00817.55
8.1.50.0040.00417.54
8.1.40.0030.00517.52
8.1.30.0040.00417.48
8.1.20.0020.00517.65
8.1.10.0040.00417.45
8.1.00.0060.00317.44
8.0.300.0040.00418.97
8.0.290.0040.00416.75
8.0.280.0000.00718.38
8.0.270.0040.00416.87
8.0.260.0060.00017.26
8.0.250.0030.00316.88
8.0.240.0020.00517.08
8.0.230.0070.00016.94
8.0.220.0070.00016.93
8.0.210.0030.00316.96
8.0.200.0020.00517.02
8.0.190.0070.00016.91
8.0.180.0040.00416.94
8.0.170.0020.00516.83
8.0.160.0030.00316.83
8.0.150.0040.00416.78
8.0.140.0000.00816.80
8.0.130.0000.00613.34
8.0.120.0040.00416.93
8.0.110.0000.00716.79
8.0.100.0040.00416.86
8.0.90.0040.00416.84
8.0.80.0110.00416.93
8.0.70.0040.00416.94
8.0.60.0070.00016.81
8.0.50.0080.00017.00
8.0.30.0080.01317.08
8.0.20.0110.00817.40
8.0.10.0040.00416.94
8.0.00.0110.00816.72
7.4.330.0000.00615.00
7.4.320.0070.00016.68
7.4.300.0000.00716.62
7.4.290.0080.00016.62
7.4.280.0000.00716.62
7.4.270.0040.00416.52
7.4.260.0000.00916.41
7.4.250.0000.00816.64
7.4.240.0020.00616.55
7.4.230.0070.00016.52
7.4.220.0090.01216.40
7.4.210.0100.01016.72
7.4.200.0040.00316.73
7.4.160.0120.01216.47
7.4.150.0120.00917.40
7.4.140.0130.00817.86
7.4.130.0080.00916.65
7.4.120.0100.00816.52
7.4.110.0040.01316.48
7.4.100.0130.00716.47
7.4.90.0090.00816.68
7.4.80.0100.01719.39
7.4.70.0100.00716.49
7.4.60.0040.01416.52
7.4.50.0030.00616.54
7.4.40.0060.01016.70
7.4.30.0080.00816.26
7.4.00.0080.00814.91
7.3.330.0030.00313.22
7.3.320.0000.00513.20
7.3.310.0080.00016.29
7.3.300.0000.00716.46
7.3.290.0090.00616.44
7.3.280.0110.00416.38
7.3.270.0060.01117.40
7.3.260.0030.01316.62
7.3.250.0100.00816.46
7.3.240.0150.00616.68
7.3.230.0030.01716.51
7.3.210.0090.00916.62
7.3.200.0040.01219.39
7.3.190.0060.01716.62
7.3.180.0030.01316.37
7.3.170.0060.01216.55
7.3.160.0060.01116.46
7.3.120.0090.00914.84
7.3.110.0030.01314.74
7.3.100.0090.00914.93
7.3.90.0080.00814.86
7.3.80.0150.00014.89
7.3.70.0070.01015.03
7.3.60.0000.01814.96
7.3.50.0090.00614.92
7.3.40.0060.00614.73
7.3.30.0000.01314.91
7.3.20.0030.01216.70
7.3.10.0070.01016.54
7.3.00.0000.01316.66
7.2.330.0130.01316.84
7.2.320.0110.00616.74
7.2.310.0060.01216.66
7.2.300.0120.00616.48
7.2.290.0170.00316.70
7.2.250.0070.01315.36
7.2.240.0130.00615.02
7.2.230.0030.01615.17
7.2.220.0060.00315.32
7.2.210.0090.00615.06
7.2.200.0070.01015.19
7.2.190.0090.00615.16
7.2.180.0100.00715.20
7.2.170.0060.00614.98
7.2.60.0230.00616.63
7.2.00.0030.00919.61
7.1.330.0030.01015.86
7.1.320.0150.00015.68
7.1.310.0030.01015.74
7.1.300.0060.00915.61
7.1.290.0090.00615.71
7.1.280.0120.00315.58
7.1.270.0090.00015.77
7.1.260.0080.00415.78
7.1.200.0040.00415.51
7.1.100.0030.01017.71
7.1.70.0030.00317.12
7.1.60.0090.01519.25
7.1.50.0100.01316.86
7.1.00.0030.07722.36
7.0.200.0030.00316.92
7.0.140.0000.08021.95
7.0.60.0000.04319.96
7.0.50.0100.07317.94
7.0.40.0070.06020.19
7.0.30.0330.07320.25
7.0.20.0270.06720.06
7.0.10.0100.05720.11
7.0.00.0100.08020.05
5.6.280.0100.06721.02
5.6.210.0070.06720.53
5.6.200.0170.06318.23
5.6.190.0030.08020.56
5.6.180.0230.04320.59
5.6.170.0370.07020.51
5.6.160.0070.04020.56
5.6.150.0130.07318.18
5.6.140.0100.08018.28
5.6.130.0100.07718.14
5.6.120.0070.05021.00
5.6.110.0070.08021.02
5.6.100.0130.08320.89
5.6.90.0100.08320.99
5.6.80.0070.06720.38
5.5.350.0000.09320.33
5.5.340.0130.04017.98
5.5.330.0100.07320.32
5.5.320.0300.07320.36
5.5.310.0330.06720.19
5.5.300.0070.03717.98
5.5.290.0030.08717.92
5.5.280.0100.08320.89
5.5.270.0070.04020.85
5.5.260.0170.06020.77
5.5.250.0130.07020.66
5.5.240.4200.04320.15
5.4.450.0400.05319.65
5.4.440.0270.05019.50
5.4.430.0300.04319.49
5.4.420.0370.05019.34
5.4.410.0470.04019.04
5.4.400.0600.03319.22
5.4.390.1100.04719.06
5.4.380.0300.04718.75
5.4.370.0300.04318.73
5.4.360.0200.05718.68
5.4.350.0300.06718.68
5.4.340.0230.05018.73
5.4.320.0040.03912.51
5.4.310.0080.04712.50
5.4.300.0070.03712.51
5.4.290.0070.03912.51
5.4.280.0060.03712.41
5.4.270.0100.03512.40
5.4.260.0030.04212.40
5.4.250.0070.03812.40
5.4.240.0130.03012.40
5.4.230.0050.03912.39
5.4.220.0090.03712.39
5.4.210.0060.03812.39
5.4.200.0060.03812.39
5.4.190.0040.03812.39
5.4.180.0080.04112.39
5.4.170.0070.03512.40
5.4.160.0040.03812.39
5.4.150.0090.03312.39
5.4.140.0080.03512.07
5.4.130.0080.03412.06
5.4.120.0040.03812.02
5.4.110.0050.03612.03
5.4.100.0050.03712.02
5.4.90.0070.03712.02
5.4.80.0090.03312.02
5.4.70.0080.03612.02
5.4.60.0060.03712.02
5.4.50.0080.03412.02
5.4.40.0060.03512.00
5.4.30.0040.03912.00
5.4.20.0040.03812.00
5.4.10.0070.03412.00
5.4.00.0040.03811.48
5.3.290.0070.04112.80
5.3.280.0050.03912.71
5.3.270.0060.04012.73
5.3.260.0040.04112.72
5.3.250.0080.03912.72
5.3.240.0040.04012.72
5.3.230.0020.04212.71
5.3.220.0070.03712.68
5.3.210.0020.04312.68
5.3.200.0070.03612.68
5.3.190.0060.03812.68
5.3.180.0060.03712.67
5.3.170.0040.04012.67
5.3.160.0070.03612.67
5.3.150.0070.03912.68
5.3.140.0080.03412.66
5.3.130.0090.05212.66
5.3.120.0080.04512.66
5.3.110.0090.03912.66
5.3.100.0070.04812.14
5.3.90.0090.04312.11
5.3.80.0090.03512.10
5.3.70.0060.04112.10
5.3.60.0100.04212.09
5.3.50.0150.04112.03
5.3.40.0170.03912.04
5.3.30.0140.03411.99
5.3.20.0130.04411.78
5.3.10.0240.04011.74
5.3.00.0160.04611.72
5.2.170.0130.0379.23
5.2.160.0140.0289.23
5.2.150.0120.0329.23
5.2.140.0110.0329.22
5.2.130.0100.0319.18
5.2.120.0120.0289.19
5.2.110.0130.0289.19
5.2.100.0070.0339.19
5.2.90.0100.0309.19
5.2.80.0100.0329.18
5.2.70.0120.0309.18
5.2.60.0130.0339.14
5.2.50.0140.0289.11
5.2.40.0060.0279.08
5.2.30.0080.0269.06
5.2.20.0050.0299.05
5.2.10.0060.0278.97
5.2.00.0050.0298.82
5.1.60.0060.0228.11
5.1.50.0050.0258.10
5.1.40.0060.0238.09
5.1.30.0050.0258.43
5.1.20.0070.0248.46
5.1.10.0070.0238.18
5.1.00.0030.0278.18
5.0.50.0020.0226.65
5.0.40.0020.0216.51
5.0.30.0060.0286.33
5.0.20.0040.0196.29
5.0.10.0050.0186.27
5.0.00.0030.0316.26
4.4.90.0040.0154.78
4.4.80.0030.0164.75
4.4.70.0040.0174.76
4.4.60.0020.0174.75
4.4.50.0010.0174.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0050.0174.85
4.4.00.0040.0274.76
4.3.110.0060.0124.67
4.3.100.0080.0104.67
4.3.90.0010.0164.63
4.3.80.0010.0274.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0020.0174.63
4.3.40.0030.0254.54
4.3.30.0040.0143.31
4.3.20.0010.0173.29
4.3.10.0030.0153.25
4.3.00.0030.01315.25

preferences:
48.9 ms | 401 KiB | 5 Q