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); $c = substr(trim($file->current()), 0, 3); if ($c=='cd(' || $c=='cd ') { cd($c); } } return false; } set_error_handler ('corban_error_handler', E_NOTICE); var_dump($a); $b = null; cd($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)
8.3.70.0170.00718.43
8.3.60.0110.00718.26
8.3.50.0090.00521.92
8.3.40.0110.00418.54
8.3.30.0070.00719.04
8.3.20.0000.00820.21
8.3.10.0080.00021.95
8.3.00.0090.00017.93
8.2.180.0120.00416.63
8.2.170.0140.00422.96
8.2.160.0070.00720.47
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00020.99
8.2.110.0080.00321.04
8.2.100.0040.00817.84
8.2.90.0040.00419.05
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0040.00418.22
8.2.40.0000.00820.60
8.2.30.0040.00419.26
8.2.20.0040.00417.67
8.2.10.0080.00018.07
8.2.00.0100.00017.86
8.1.280.0130.00325.92
8.1.270.0060.00323.97
8.1.260.0070.00026.35
8.1.250.0100.00328.09
8.1.240.0070.00422.45
8.1.230.0060.00617.64
8.1.220.0040.00417.77
8.1.210.0060.00318.77
8.1.200.0060.00317.47
8.1.190.0000.00817.13
8.1.180.0050.00318.10
8.1.170.0050.00318.50
8.1.160.0070.00018.91
8.1.150.0070.00020.11
8.1.140.0070.00017.52
8.1.130.0030.00317.69
8.1.120.0030.00317.47
8.1.110.0030.00517.51
8.1.100.0020.00517.36
8.1.90.0040.00417.40
8.1.80.0020.00517.49
8.1.70.0070.00017.36
8.1.60.0040.00417.56
8.1.50.0060.00317.56
8.1.40.0040.00417.52
8.1.30.0050.00317.56
8.1.20.0080.00017.55
8.1.10.0030.00617.41
8.1.00.0080.00017.37
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00818.30
8.0.270.0030.00317.23
8.0.260.0030.00317.18
8.0.250.0070.00017.04
8.0.240.0040.00417.02
8.0.230.0000.00716.97
8.0.220.0020.00516.80
8.0.210.0030.00316.94
8.0.200.0000.00617.05
8.0.190.0000.00717.05
8.0.180.0000.00716.96
8.0.170.0040.00416.88
8.0.160.0070.00016.92
8.0.150.0030.00316.82
8.0.140.0000.00716.81
8.0.130.0030.00313.38
8.0.120.0040.00416.81
8.0.110.0040.00416.95
8.0.100.0040.00417.00
8.0.90.0030.00317.02
8.0.80.0060.00916.92
8.0.70.0000.00716.90
8.0.60.0000.00717.02
8.0.50.0070.00017.00
8.0.30.0130.01317.13
8.0.20.0100.00917.40
8.0.10.0070.00017.03
8.0.00.0100.00716.89
7.4.330.0050.00015.09
7.4.320.0040.00416.66
7.4.300.0070.00016.53
7.4.290.0040.00416.52
7.4.280.0000.00716.59
7.4.270.0030.00516.70
7.4.260.0030.00616.46
7.4.250.0000.00716.50
7.4.240.0000.00816.57
7.4.230.0000.00716.76
7.4.220.0070.01116.48
7.4.210.0060.01516.63
7.4.200.0050.00216.69
7.4.160.0080.00816.64
7.4.150.0130.00617.40
7.4.140.0140.00917.86
7.4.130.0090.00916.52
7.4.120.0130.00516.67
7.4.110.0090.00916.70
7.4.100.0150.00916.61
7.4.90.0100.00716.62
7.4.80.0080.01119.39
7.4.70.0090.00916.50
7.4.60.0080.01416.52
7.4.50.0030.00316.34
7.4.40.0120.00616.58
7.4.30.0060.01216.55
7.4.00.0100.00314.98
7.3.330.0050.00013.18
7.3.320.0030.00313.39
7.3.310.0030.00316.30
7.3.300.0040.00316.41
7.3.290.0060.01016.36
7.3.280.0140.00516.42
7.3.270.0060.01217.40
7.3.260.0110.00816.66
7.3.250.0100.01016.56
7.3.240.0130.00616.38
7.3.230.0130.00616.52
7.3.210.0130.00516.57
7.3.200.0120.01219.39
7.3.190.0110.00716.63
7.3.180.0040.01216.63
7.3.170.0120.00616.60
7.3.160.0130.00316.48
7.3.120.0120.00314.84
7.2.330.0080.01116.52
7.2.320.0120.01216.71
7.2.310.0110.00616.61
7.2.300.0030.01316.41
7.2.290.0070.01016.66
7.2.110.0160.01016.63
7.2.100.0200.00316.44
7.2.90.0180.01116.37
7.2.80.0450.01116.52
7.2.70.0410.00916.69
7.2.60.0460.00616.75
7.2.50.0500.01116.59
7.2.40.0510.00816.70
7.2.30.0210.00816.87
7.2.20.0120.01616.59
7.2.10.0200.01016.72
7.2.00.0120.00918.07
7.1.230.0170.00715.52
7.1.220.0220.00315.50
7.1.210.0170.00815.86
7.1.200.0130.00615.73
7.1.190.0500.00815.41
7.1.180.0460.00915.75
7.1.170.0330.00415.20
7.1.160.0230.01415.62
7.1.150.0160.01215.59
7.1.140.0040.01815.63
7.1.130.0140.01415.68
7.1.120.0180.00915.58
7.1.110.0100.01615.91
7.1.100.0130.00516.73
7.1.90.0140.00915.58
7.1.80.0120.01515.62
7.1.70.0050.01316.18
7.1.60.0170.01017.56
7.1.50.0090.01816.33
7.1.40.0140.01415.67
7.1.30.0220.01115.68
7.1.20.0180.01315.88
7.1.10.0150.01115.68
7.1.00.0110.04019.09
7.0.310.0280.00315.23
7.0.300.0390.01015.32
7.0.290.0280.01315.32
7.0.280.0240.00515.29
7.0.270.0210.00415.24
7.0.260.0170.00815.21
7.0.250.0090.01415.66
7.0.240.0120.01215.07
7.0.230.0170.00815.22
7.0.220.0140.00715.31
7.0.210.0110.01115.43
7.0.200.0110.00316.04
7.0.190.0170.00615.20
7.0.180.0200.00015.32
7.0.170.0170.00515.44
7.0.160.0160.01015.28
7.0.150.0230.00515.22
7.0.140.0110.04118.70
7.0.130.0110.01415.25
7.0.120.0090.01415.24
7.0.110.0180.00715.55
7.0.100.0140.01215.43
7.0.90.0150.00715.18
7.0.80.0120.00915.19
7.0.70.0200.00415.39
7.0.60.0050.02917.69
7.0.50.0140.03716.69
7.0.40.0100.02616.81
7.0.30.0240.04216.77
7.0.20.0260.02916.76
7.0.10.0170.04316.76
7.0.00.0080.02916.76
5.6.380.0110.01214.09
5.6.370.0450.00414.43
5.6.360.0340.00714.44
5.6.350.0190.00613.96
5.6.340.0200.00914.41
5.6.330.0200.00714.38
5.6.320.0180.01114.32
5.6.310.0190.00914.45
5.6.300.0190.01013.98
5.6.290.0170.00714.33
5.6.280.0110.03817.70
5.6.270.0160.01214.46
5.6.260.0210.00614.29
5.6.250.0150.01214.21
5.6.240.0220.00314.29
5.6.230.0080.01614.63
5.6.220.0150.01014.45
5.6.210.0110.03717.45
5.6.200.0110.04616.16
5.6.190.0100.02717.40
5.6.180.0220.03817.39
5.6.170.0220.02417.29
5.6.160.0130.02317.25
5.6.150.0120.02116.11
5.6.140.0140.04216.29
5.6.130.0110.04216.13
5.6.120.0110.04817.63
5.6.110.0150.04417.63
5.6.100.0130.03617.68
5.6.90.0170.03817.59
5.6.80.0110.03017.39
5.6.70.0080.01414.02
5.6.60.0230.00013.95
5.6.50.0170.00714.17
5.6.40.0080.01914.14
5.6.30.0210.00314.31
5.6.20.0170.00714.00
5.6.10.0170.01014.45
5.6.00.0170.00914.18
5.5.380.0080.01211.18
5.5.370.0060.00910.73
5.5.360.0030.01611.11
5.5.350.0060.04415.64
5.5.340.0110.04014.54
5.5.330.0050.02515.80
5.5.320.0170.04015.67
5.5.310.0210.02115.57
5.5.300.0110.02014.55
5.5.290.0090.02414.63
5.5.280.0080.02515.76
5.5.270.0080.03416.05
5.5.260.0070.02915.87
5.5.250.0080.03215.90
5.5.240.2250.02315.60
5.5.230.0120.00310.79
5.5.220.0060.00310.93
5.5.210.0100.00710.95
5.5.200.0100.00711.09
5.5.190.0040.01110.99
5.5.180.0140.00310.80
5.5.170.0090.01213.89
5.5.160.0120.00310.91
5.5.150.0140.00011.02
5.5.140.0100.00711.13
5.5.130.0140.00310.91
5.5.120.0080.00811.11
5.5.110.0070.00711.14
5.5.100.0180.00011.19
5.5.90.0100.00511.35
5.5.80.0220.00611.35
5.5.70.0210.00311.23
5.5.60.0120.00611.17
5.5.50.0110.00411.20
5.5.40.0080.00811.18
5.5.30.0200.00911.32
5.5.20.0200.00611.04
5.5.10.0070.01611.15
5.5.00.0130.00910.84
5.4.450.0260.02315.29
5.4.440.0260.03815.09
5.4.430.0190.02415.11
5.4.420.0410.02415.21
5.4.410.0280.02215.22
5.4.400.0310.02315.09
5.4.390.0220.02114.96
5.4.380.0190.02214.70
5.4.370.0110.03014.74
5.4.360.0140.03714.79
5.4.350.0200.02714.80
5.4.340.0190.02414.77
5.4.330.0030.01510.99
5.4.320.0120.01811.65
5.4.310.0110.02011.81
5.4.300.0040.02411.68
5.4.290.0120.01911.69
5.4.280.0080.02211.54
5.4.270.0070.02211.62
5.4.260.0080.02411.56
5.4.250.0110.02111.82
5.4.240.0100.02211.70
5.4.230.0140.02311.63
5.4.220.0130.01911.71
5.4.210.0120.02211.75
5.4.200.0100.02011.55
5.4.190.0130.02011.75
5.4.180.0110.02111.59
5.4.170.0090.02411.74
5.4.160.0150.02211.54
5.4.150.0110.02311.69
5.4.140.0100.02311.56
5.4.130.0140.02011.54
5.4.120.0140.01611.48
5.4.110.0110.01911.46
5.4.100.0100.02211.44
5.4.90.0110.02311.50
5.4.80.0070.02311.62
5.4.70.0120.02211.55
5.4.60.0130.01811.51
5.4.50.0200.02211.59
5.4.40.0100.02611.54
5.4.30.0120.02111.54
5.4.20.0080.02311.58
5.4.10.0080.02211.44
5.4.00.0110.02111.03
5.3.290.0050.02411.61
5.3.280.0130.02111.61
5.3.270.0140.02011.61
5.3.260.0160.01811.55
5.3.250.0150.02011.64
5.3.240.0140.02211.58
5.3.230.0110.02211.66
5.3.220.0110.02011.53
5.3.210.0150.02011.53
5.3.200.0150.01911.53
5.3.190.0110.02011.63
5.3.180.0120.01911.68
5.3.170.0110.02411.70
5.3.160.0150.01911.69
5.3.150.0150.02111.53
5.3.140.0110.01911.66
5.3.130.0100.02611.66
5.3.120.0130.02211.52
5.3.110.0170.02011.62
5.3.100.0060.02411.44
5.3.90.0120.01811.44
5.3.80.0110.02211.31
5.3.70.0120.01911.32
5.3.60.0060.02411.40
5.3.50.0150.02611.29
5.3.40.0160.02211.21
5.3.30.0200.02011.35
5.3.20.0200.02111.19
5.3.10.0150.02411.06
5.3.00.0150.02411.05
5.2.170.0210.0189.81
5.2.160.0140.0189.81
5.2.150.0170.0169.81
5.2.140.0170.0179.81
5.2.130.0150.0179.79
5.2.120.0110.0209.79
5.2.110.0200.0149.79
5.2.100.0140.0189.79
5.2.90.0130.0219.79
5.2.80.0160.0199.79
5.2.70.0170.0169.79
5.2.60.0130.0199.77
5.2.50.0150.0199.75
5.2.40.0050.0199.73
5.2.30.0020.0219.72
5.2.20.0060.0179.72
5.2.10.0040.0229.68
5.2.00.0050.0199.60
5.1.60.0050.0159.24
5.1.50.0060.0189.24
5.1.40.0070.0149.23
5.1.30.0090.0129.41
5.1.20.0090.0129.42
5.1.10.0090.0139.28
5.1.00.0060.0159.28
5.0.50.0050.0128.52
5.0.40.0040.0118.45
5.0.30.0030.0208.36
5.0.20.0050.0118.34
5.0.10.0060.0118.33
5.0.00.0050.0178.33
4.4.90.0010.0137.58
4.4.80.0050.0077.57
4.4.70.0060.0097.57
4.4.60.0070.0087.57
4.4.50.0040.0127.58
4.4.40.0060.0167.54
4.4.30.0040.0107.57
4.4.20.0030.0107.61
4.4.10.0040.0077.62
4.4.00.0020.0167.57
4.3.110.0010.0137.53
4.3.100.0040.0077.53
4.3.90.0040.0077.51
4.3.80.0050.0137.48
4.3.70.0040.0107.51
4.3.60.0040.0117.50
4.3.50.0040.0137.50
4.3.40.0030.0157.46
4.3.30.0020.0116.85
4.3.20.0020.0116.84
4.3.10.0010.0126.82
4.3.00.0100.00912.82

preferences:
44.95 ms | 401 KiB | 5 Q