3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v1 = 5; $v2 = '5-4'; $time = microtime(1); $i = 0; while($i++ < 1000000) echo '','','','',''; @ob_endclean(); echo (microtime(1)-$time)." seconds for commas"; echo "\n"; $time = microtime(1); $i = 0; @ob_start(); while($i++ < 1000000) echo ''.''.''.''.''; @ob_endclean(); echo (microtime(1)-$time)." seconds for dot"; function donull($v){};

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)
7.4.00.0130.04714.65
7.3.120.0070.05714.88
7.3.110.0070.05114.85
7.3.100.0030.04814.77
7.3.90.0030.04914.82
7.3.80.0070.04014.86
7.3.70.0070.03714.51
7.3.60.0000.04814.77
7.3.50.0070.04314.75
7.3.40.0030.03614.84
7.3.30.0100.04014.58
7.3.20.0000.04616.73
7.3.10.0030.04116.72
7.3.00.0100.03316.59
7.2.250.0070.04615.00
7.2.240.0070.05614.95
7.2.230.0030.04514.78
7.2.220.0060.04415.08
7.2.210.0030.04315.17
7.2.200.0060.04214.96
7.2.190.0030.04215.02
7.2.180.0000.04714.85
7.2.170.0070.04314.82
7.2.00.0030.02919.30
7.1.330.0070.06615.86
7.1.320.0070.05315.59
7.1.310.0030.07115.83
7.1.300.0030.05815.64
7.1.290.0030.05915.77
7.1.280.0070.06015.50
7.1.270.0070.06015.56
7.1.260.0130.05015.52
7.1.70.0030.02617.23
7.1.60.0040.02917.12
7.1.50.0220.02216.84
7.1.00.0000.09322.46
7.0.200.0040.02716.75
7.0.140.0100.11721.90
7.0.80.0430.04019.88
7.0.70.0400.09319.90
7.0.60.0500.11019.91
7.0.50.0500.07020.38
7.0.40.0070.09720.08
7.0.30.0100.04720.05
7.0.20.0030.06020.14
7.0.10.0030.06020.14
7.0.00.0030.08720.14
5.6.280.0030.16721.11
5.6.230.0070.13720.63
5.6.220.0130.14320.70
5.6.210.0100.14020.67
5.6.200.0100.09021.04
5.6.190.0070.15021.09
5.6.180.0030.09021.09
5.6.170.0000.10721.10
5.6.160.0030.09020.94
5.6.150.0070.09720.96
5.6.140.0070.11321.11
5.6.130.0000.08320.96
5.6.120.0130.06321.11
5.6.110.0100.08721.07
5.6.100.0030.07721.05
5.6.90.0070.09020.94
5.6.80.0130.13020.33
5.6.70.0100.16020.50
5.6.60.0070.11720.43
5.6.50.0070.14020.43
5.6.40.0000.13320.37
5.6.30.0100.14320.31
5.6.20.0000.09020.31
5.6.10.0030.09020.52
5.6.00.0070.08320.39
5.5.370.0270.13320.46
5.5.360.0030.10320.42
5.5.350.0000.16720.34
5.5.340.0030.14020.93
5.5.330.0070.11020.89
5.5.320.0070.09020.89
5.5.310.0030.09320.94
5.5.300.0000.12320.89
5.5.290.0070.09020.85
5.5.280.0030.07720.78
5.5.270.0070.09020.86
5.5.260.0070.15020.91
5.5.250.0000.09320.58
5.5.240.0130.12720.11
5.5.230.0130.14320.20
5.5.220.0100.14320.29
5.5.210.0000.10020.02
5.5.200.0070.09020.24
5.5.190.0130.15720.27
5.5.180.0100.13020.21
5.5.160.0070.08320.24
5.5.150.0070.09320.15
5.5.140.0170.11720.11
5.5.130.0070.12320.21
5.5.120.0130.14320.22
5.5.110.0030.14720.27
5.5.100.0100.14320.08
5.5.90.0130.16020.17
5.5.80.0100.12719.97
5.5.70.0100.11719.94
5.5.60.0000.15320.05
5.5.50.0100.13020.08
5.5.40.0130.07320.04
5.5.30.0100.13020.04
5.5.20.0100.08719.89
5.5.10.0100.11020.07
5.5.00.0030.11320.11
5.4.450.0130.11019.41
5.4.440.0030.07319.35
5.4.430.0130.10019.50
5.4.420.0070.09319.53
5.4.410.0130.12719.09
5.4.400.0100.14319.21
5.4.390.0070.13019.14
5.4.380.0100.14018.85
5.4.370.0070.14318.85
5.4.360.0000.15019.16
5.4.350.0030.13019.03
5.4.340.0070.08718.96
5.4.320.0070.09719.05
5.4.310.0030.10719.09
5.4.300.0070.09319.05
5.4.290.0100.08019.02
5.4.280.0030.14719.03
5.4.270.0100.12019.04
5.4.260.0100.14019.06
5.4.250.0100.12018.99
5.4.240.0070.14018.87
5.4.230.0200.12319.09
5.4.220.0070.12019.20
5.4.210.0070.14019.20
5.4.200.0070.09719.15
5.4.190.0100.10019.13
5.4.180.0100.14318.89
5.4.170.0130.07019.11
5.4.160.0100.12719.11
5.4.150.0030.13018.83
5.4.140.0070.14016.47
5.4.130.0070.09316.41
5.4.120.0100.14716.41
5.4.110.0070.13016.50
5.4.100.0130.14316.32
5.4.90.0200.10016.49
5.4.80.0000.08716.30
5.4.70.0000.14716.37
5.4.60.0130.07716.39
5.4.50.0100.13316.48
5.4.40.0070.08316.55
5.4.30.0130.09716.46
5.4.20.0100.14716.24
5.4.10.0100.13716.33
5.4.00.0130.14015.78
5.3.290.0100.10714.78
5.3.280.0070.16014.64
5.3.270.0000.12014.52
5.3.260.0070.16714.58
5.3.250.0100.12314.55
5.3.240.0100.14314.63
5.3.230.0000.11714.73
5.3.220.0100.11314.66
5.3.210.0130.15014.55
5.3.200.0100.15014.59
5.3.190.0070.12714.69
5.3.180.0070.10014.54
5.3.170.0000.13314.56
5.3.160.0000.10014.57
5.3.150.0030.11314.65
5.3.140.0000.10714.62
5.3.130.0000.11014.59
5.3.120.0130.15014.52
5.3.110.0030.12014.54
5.3.100.0100.14714.02
5.3.90.0130.08714.04
5.3.80.0100.13714.04
5.3.70.0070.15313.90
5.3.60.0000.11014.02
5.3.50.0070.12713.95
5.3.40.0030.12013.95
5.3.30.0030.16013.95
5.3.20.0070.09713.59
5.3.10.0100.14013.67
5.3.00.0100.12713.63
5.2.170.0000.16011.53
5.2.160.0030.16711.53
5.2.150.0030.10011.53
5.2.140.0000.15311.53
5.2.130.0070.16711.53
5.2.120.0030.09011.53
5.2.110.0030.17011.53
5.2.100.0070.15311.53
5.2.90.0070.16711.53
5.2.80.0070.12711.53
5.2.70.0070.17011.53
5.2.60.0000.12311.53
5.2.50.0000.16311.53
5.2.40.0130.15011.53
5.2.30.0070.12711.53
5.2.20.0100.15011.53
5.2.10.0030.10311.53
5.2.00.0030.09711.53
5.1.60.0070.13011.53
5.1.50.0030.14711.53
5.1.40.0030.15311.53
5.1.30.0000.11711.53
5.1.20.0030.16711.53
5.1.10.0070.16311.53
5.1.00.0100.13711.53
5.0.50.0030.20711.53
5.0.40.0030.14011.53
5.0.30.0030.13311.53
5.0.20.0030.13711.53
5.0.10.0070.16311.53
5.0.00.0000.13711.53
4.4.90.0000.16011.53
4.4.80.0070.11711.53
4.4.70.0000.14011.53
4.4.60.0070.13011.53
4.4.50.0000.12311.53
4.4.40.0100.16311.53
4.4.30.0000.14711.53
4.4.20.0030.20011.53
4.4.10.0000.12311.53
4.4.00.0100.21011.53
4.3.110.0000.16011.53
4.3.100.0000.13711.53
4.3.90.0030.15011.53
4.3.80.0000.17311.53
4.3.70.0030.12711.53
4.3.60.0000.17011.53
4.3.50.0000.12311.53
4.3.40.0030.17311.53
4.3.30.0070.17311.53
4.3.20.0030.20311.53
4.3.10.0000.14011.53
4.3.00.0000.19711.53

preferences:
36.74 ms | 401 KiB | 5 Q