3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array ('backtrace', 'print'); array_walk($array, 'walk_callback', str_repeat("\0",10240)); function walk_callback($value, $key, $userdata) { if ($value == 'print') { print($userdata); exit("\n\n"); } elseif ($value == 'backtrace') { debug_backtrace(); if ($userdata !== str_repeat("\0",1024)) { die("won't get here, \$userdata is still clean until we return"); } } }

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)
8.3.40.0150.00018.85
8.3.30.0100.00319.09
8.3.20.0000.00820.29
8.3.10.0040.00421.98
8.3.00.0030.00519.14
8.2.170.0150.00022.96
8.2.160.0060.00922.08
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0000.00819.58
8.2.110.0100.00020.21
8.2.100.0110.00018.09
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0040.00418.03
8.2.30.0000.00719.53
8.2.20.0080.00017.68
8.2.10.0000.00818.00
8.2.00.0040.00417.66
8.1.270.0040.00418.72
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0050.00323.97
8.1.230.0080.00319.15
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0090.00017.22
8.1.190.0000.00817.25
8.1.180.0040.00418.10
8.1.170.0000.00818.72
8.1.160.0000.00722.05
8.1.150.0000.00718.89
8.1.140.0040.00419.15
8.1.130.0030.00317.85
8.1.120.0040.00417.52
8.1.110.0040.00417.48
8.1.100.0000.00717.34
8.1.90.0070.00017.49
8.1.80.0100.00017.48
8.1.70.0070.00017.41
8.1.60.0050.00517.52
8.1.50.0050.00317.53
8.1.40.0000.00817.54
8.1.30.0050.00317.61
8.1.20.0000.00717.55
8.1.10.0040.00417.43
8.1.00.0040.00417.49
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0000.00718.38
8.0.270.0000.00717.12
8.0.260.0040.00417.17
8.0.250.0030.00316.88
8.0.240.0030.00516.95
8.0.230.0000.00816.87
8.0.220.0030.00316.73
8.0.210.0070.00016.94
8.0.200.0000.00616.93
8.0.190.0000.00716.92
8.0.180.0040.00416.94
8.0.170.0060.00316.91
8.0.160.0000.00816.84
8.0.150.0080.00016.90
8.0.140.0040.00416.87
8.0.130.0000.00513.36
8.0.120.0000.00816.89
8.0.110.0050.00216.83
8.0.100.0050.00316.80
8.0.90.0000.00716.89
8.0.80.0040.00916.82
8.0.70.0070.00016.79
8.0.60.0030.00517.01
8.0.50.0000.00716.83
8.0.30.0100.01317.18
8.0.20.0100.00817.40
8.0.10.0000.00716.97
8.0.00.0090.01017.01
7.4.330.0020.00215.03
7.4.320.0000.00616.51
7.4.300.0070.00016.61
7.4.290.0030.00316.50
7.4.280.0040.00716.57
7.4.270.0040.00416.54
7.4.260.0060.00316.57
7.4.250.0000.00716.50
7.4.240.0000.00716.51
7.4.230.0000.00716.64
7.4.220.0070.02016.48
7.4.210.0090.00616.56
7.4.200.0000.00716.62
7.4.160.0160.00016.52
7.4.150.0170.00017.40
7.4.140.0130.00717.86
7.4.130.0120.00516.62
7.4.120.0120.00716.47
7.4.110.0140.00716.36
7.4.100.0160.00316.73
7.4.90.0030.01416.53
7.4.80.0090.00919.39
7.4.70.0150.00216.47
7.4.60.0100.00716.50
7.4.50.0000.00816.06
7.4.40.0040.01416.58
7.4.30.0100.01316.60
7.4.00.0030.00614.98
7.3.330.0000.00613.30
7.3.320.0060.00013.20
7.3.310.0000.00716.48
7.3.300.0000.00716.34
7.3.290.0000.00716.38
7.3.280.0050.01116.35
7.3.270.0090.01517.40
7.3.260.0170.00016.66
7.3.250.0160.00416.47
7.3.240.0000.01616.28
7.3.230.0070.01616.39
7.3.210.0050.01016.44
7.3.200.0100.01019.39
7.3.190.0080.00916.58
7.3.180.0200.00016.42
7.3.170.0040.01416.44
7.3.160.0130.00316.22
7.2.330.0070.01016.62
7.2.320.0070.01016.67
7.2.310.0130.01016.75
7.2.300.0120.00416.36
7.2.290.0070.01016.27
7.2.110.0120.00616.49
7.2.100.0040.01116.57
7.2.90.0040.01116.53
7.2.80.0030.01016.57
7.2.70.0040.01116.95
7.2.60.0070.01016.80
7.2.50.0070.00716.71
7.2.40.0030.01216.87
7.2.30.0120.00016.90
7.2.20.0100.00716.52
7.2.10.0070.00716.75
7.2.00.0090.00517.92
7.1.230.0070.00615.53
7.1.220.0040.00915.92
7.1.210.0120.00315.91
7.1.200.0030.01015.97
7.1.190.0040.00815.95
7.1.180.0040.01115.79
7.1.170.0060.00615.72
7.1.160.0120.00015.88
7.1.150.0000.01215.94
7.1.140.0080.00415.71
7.1.130.0030.00915.53
7.1.120.0000.00715.89
7.1.110.0070.00315.84
7.1.100.0060.00616.93
7.1.90.0040.00715.95
7.1.80.0100.00315.93
7.1.70.0020.00816.43
7.1.60.0060.01517.55
7.1.50.0120.00816.24
7.1.40.0030.01415.59
7.1.30.0030.01516.05
7.1.20.0120.00615.77
7.1.10.0060.00615.85
7.1.00.0030.04218.99
7.0.310.0070.00315.51
7.0.300.0060.00615.37
7.0.290.0060.00615.38
7.0.280.0050.00315.36
7.0.270.0080.00015.13
7.0.260.0110.00415.19
7.0.250.0060.00315.53
7.0.240.0080.00015.37
7.0.230.0030.01015.54
7.0.220.0030.01015.54
7.0.210.0100.00315.53
7.0.200.0170.00315.14
7.0.190.0030.00315.20
7.0.180.0060.00915.22
7.0.170.0090.00315.43
7.0.160.0030.00915.18
7.0.150.0000.01215.47
7.0.140.0050.01818.77
7.0.130.0060.00315.44
7.0.120.0060.00615.25
7.0.110.0110.00415.49
7.0.100.0000.01515.41
7.0.90.0060.00915.57
7.0.80.0040.01115.25
7.0.70.0040.00715.62
7.0.60.0050.03117.63
7.0.50.0070.02016.70
7.0.40.0030.03016.78
7.0.30.0170.02616.76
7.0.20.0130.04616.78
7.0.10.0130.02316.73
7.0.00.0030.03816.77
5.6.380.0110.00314.48
5.6.370.0130.00214.23
5.6.360.0110.00414.58
5.6.350.0090.00914.68
5.6.340.0080.01014.24
5.6.330.0140.00314.34
5.6.320.0110.00514.20
5.6.310.0150.00014.17
5.6.300.0080.00814.25
5.6.290.0080.00414.51
5.6.280.0100.00614.39
5.6.270.0000.01514.18
5.6.260.0000.01314.40
5.6.250.0170.00014.10
5.6.240.0130.00614.31
5.6.230.0150.00314.39
5.6.220.0080.01114.29
5.6.210.0050.04617.46
5.6.200.0050.02516.35
5.6.190.0140.03317.42
5.6.180.0060.04617.46
5.6.170.0210.02117.41
5.6.160.0070.02317.33
5.6.150.0020.04916.27
5.6.140.0060.03016.26
5.6.130.0100.02516.38
5.6.120.0050.03517.65
5.6.110.0040.05117.84
5.6.100.0080.03117.61
5.6.90.0110.03817.77
5.6.80.0050.02517.41
5.6.70.2170.02217.45
5.6.60.0040.00414.31
5.6.50.0050.00514.27
5.6.40.0040.00414.20
5.6.30.0070.00314.15
5.6.20.0050.00514.34
5.6.10.0030.00914.38
5.6.00.0000.01414.02
5.5.380.0100.00712.79
5.5.370.0120.00312.79
5.5.360.0130.00012.79
5.5.350.0070.03716.66
5.5.340.0060.02215.43
5.5.330.0060.02716.60
5.5.320.0240.04016.53
5.5.310.0180.04016.51
5.5.300.0000.03315.43
5.5.290.0040.04515.36
5.5.280.0080.04216.76
5.5.270.0170.03216.83
5.5.260.0200.03516.81
5.5.250.0050.04816.70
5.5.240.0030.02316.51
5.5.230.0060.00612.79
5.5.220.0060.00312.79
5.5.210.0000.01012.79
5.5.200.0040.00712.79
5.5.190.0040.00812.79
5.5.180.0090.00312.79
5.5.170.0040.00814.20
5.5.160.0060.00612.79
5.5.150.0040.00712.79
5.5.140.0030.00712.79
5.5.130.0040.00712.79
5.5.120.0040.00812.79
5.5.110.0060.00612.79
5.5.100.0000.00612.79
5.5.90.0030.00912.79
5.5.80.0030.00312.79
5.5.70.0080.00412.79
5.5.60.0030.00712.79
5.5.50.0000.00912.79
5.5.40.0040.00812.79
5.5.30.0050.00012.79
5.5.20.0030.00712.79
5.5.10.0030.00612.79
5.5.00.0000.00612.79
5.4.450.0140.02816.07
5.4.440.0420.03216.05
5.4.430.0340.03516.19
5.4.420.0920.03016.20
5.4.410.0600.02716.07
5.4.400.0590.02915.83
5.4.390.0070.03715.78
5.4.380.0090.03415.79
5.4.370.0050.03815.71
5.4.360.0100.04015.80
5.4.350.0120.04015.80
5.4.340.0220.02815.69
5.4.330.0030.00712.79
5.4.320.0100.04415.75
5.4.310.0060.03115.69
5.4.300.0100.03215.79
5.4.290.0150.03715.59
5.4.280.0180.02615.69
5.4.270.0150.03615.64
5.4.260.0150.03515.65
5.4.250.0150.02815.70
5.4.240.0120.03815.78
5.4.230.0110.03815.81
5.4.220.0080.03815.65
5.4.210.0120.03015.69
5.4.200.0170.02714.79
5.4.190.0070.03915.80
5.4.180.0120.03315.69
5.4.170.0100.03215.76
5.4.160.0140.02615.75
5.4.150.0080.04015.68
5.4.140.0130.03014.62
5.4.130.0100.02914.55
5.4.120.0170.02514.51
5.4.110.0140.03014.62
5.4.100.0120.03914.52
5.4.90.0080.03214.55
5.4.80.0110.02814.53
5.4.70.0100.03214.61
5.4.60.0120.03014.50
5.4.50.0170.03214.56
5.4.40.0060.04414.54
5.4.30.0130.02814.62
5.4.20.0130.04214.52
5.4.10.0160.02914.60
5.4.00.0070.03214.27
5.3.290.0100.03113.83
5.3.280.0130.04013.76
5.3.270.0140.03013.71
5.3.260.0140.03013.78
5.3.250.0120.03813.71
5.3.240.0180.03513.77
5.3.230.0130.03313.73
5.3.220.0130.03613.70
5.3.210.0120.03513.79
5.3.200.0250.02313.72
5.3.190.0150.03513.78
5.3.180.0110.03213.79
5.3.170.0050.03713.69
5.3.160.0130.03213.69
5.3.150.0100.04013.80
5.3.140.0180.02313.74
5.3.130.0080.04313.74
5.3.120.0180.02713.73
5.3.110.0150.03013.70
5.3.100.0130.03413.53
5.3.90.0100.02913.45
5.3.80.0070.03813.47
5.3.70.0100.03513.43
5.3.60.0180.03213.47
5.3.50.0150.02813.44
5.3.40.0120.03213.45
5.3.30.0100.03213.38
5.3.20.0080.03013.28
5.3.10.0150.03413.17
5.3.00.0120.02513.31
5.2.170.0060.02612.03
5.2.160.0100.02812.08
5.2.150.0080.03111.98
5.2.140.0070.02612.03
5.2.130.0150.02612.02
5.2.120.0110.02312.01
5.2.110.0080.02612.01
5.2.100.0050.03011.96
5.2.90.0180.02211.98
5.2.80.0130.02811.98
5.2.70.0130.02812.01
5.2.60.0080.02611.99
5.2.50.0100.02511.98
5.2.40.0080.02511.96
5.2.30.0080.02511.95
5.2.20.0070.02611.94
5.2.10.0090.02311.81
5.2.00.0070.02711.87
5.1.60.0120.02111.50
5.1.50.0100.02511.43
5.1.40.0070.02911.46
5.1.30.0090.02611.57
5.1.20.0040.02811.65
5.1.10.0080.02411.47
5.1.00.0100.02311.46
5.0.50.0090.01710.75
5.0.40.0020.02010.71
5.0.30.0050.02510.61
5.0.20.0080.01310.55
5.0.10.0050.01610.54
5.0.00.0070.02710.49
4.4.90.0030.0199.35
4.4.80.0030.0179.36
4.4.70.0020.0189.38
4.4.60.0080.0139.37
4.4.50.0050.0169.36
4.4.40.0020.0269.37
4.4.30.0020.0209.36
4.4.20.0040.0179.39
4.4.10.0030.0199.45
4.4.00.0030.0249.36
4.3.110.0070.0129.38
4.3.100.0030.0159.32
4.3.90.0070.0159.36
4.3.80.0050.0259.32
4.3.70.0030.0179.32
4.3.60.0050.0179.31
4.3.50.0030.0189.31
4.3.40.0010.0259.29
4.3.30.0020.0158.71
4.3.20.0030.0128.67
4.3.10.0000.0188.66
4.3.00.0030.01411.00

preferences:
48.54 ms | 400 KiB | 5 Q