3v4l.org

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

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)
7.3.10.0030.05216.46
7.3.00.0100.04316.70
7.2.130.0070.05116.56
7.2.120.0030.05416.78
7.2.110.0070.06616.77
7.2.100.0100.05316.76
7.2.90.0070.05316.92
7.2.80.0100.05116.75
7.2.70.0130.05017.07
7.2.60.0100.04916.96
7.2.50.0070.05016.96
7.2.40.0070.04616.80
7.2.30.0100.04616.81
7.2.20.0030.05316.74
7.2.10.0030.04716.69
7.2.00.0050.04718.24
7.1.250.0000.08715.53
7.1.70.0070.03016.85
7.1.60.0100.06819.82
7.1.50.0200.05516.73
7.1.00.0030.13722.33
7.0.200.0000.03716.79
7.0.140.0070.13022.01
7.0.100.0030.08019.88
7.0.90.0070.11320.09
7.0.80.0100.06019.91
7.0.70.0000.09319.93
7.0.60.0070.06019.89
7.0.50.0030.06320.26
7.0.40.0000.13019.96
7.0.30.0000.13020.10
7.0.20.0100.11320.03
7.0.10.0030.11020.04
7.0.00.0100.09320.05
5.6.280.0100.32321.09
5.6.250.0000.24720.58
5.6.240.0370.18020.51
5.6.230.0100.22320.57
5.6.220.0000.22020.50
5.6.210.0100.25320.70
5.6.200.0070.20320.97
5.6.190.0070.26021.08
5.6.180.0030.26321.04
5.6.170.0070.26020.96
5.6.160.0030.26020.89
5.6.150.0000.29021.05
5.6.140.0100.27721.00
5.6.130.0030.26721.08
5.6.120.0100.29020.89
5.6.110.0100.25320.96
5.6.100.0000.27321.05
5.6.90.0100.27720.95
5.6.80.0030.25720.41
5.6.70.0130.25720.49
5.6.60.0030.26720.49
5.6.50.0100.25720.34
5.6.40.0070.26020.36
5.6.30.0030.24020.36
5.6.20.0030.27320.31
5.6.10.0030.25320.30
5.6.00.0070.27020.36
5.5.380.0070.21020.37
5.5.370.0030.23720.30
5.5.360.0030.17720.36
5.5.350.0000.22020.41
5.5.340.0130.20320.72
5.5.330.0070.29020.71
5.5.320.0100.29720.81
5.5.310.0070.26020.75
5.5.300.0100.27320.87
5.5.290.0130.25720.83
5.5.280.0000.27020.82
5.5.270.0170.25020.71
5.5.260.0100.25720.57
5.5.250.0000.24020.68
5.5.240.0170.23320.07
5.5.230.0070.26020.25
5.5.220.0000.25720.05
5.5.210.0130.25020.15
5.5.200.0170.23020.22
5.5.190.0130.24720.21
5.5.180.0100.25720.16
5.5.160.0100.24319.94
5.5.150.0100.24720.16
5.5.140.0130.23320.21
5.5.130.0200.23320.17
5.5.120.0070.28020.18
5.5.110.0030.24720.18
5.5.100.0030.28020.11
5.5.90.0100.27320.10
5.5.80.0130.25319.89
5.5.70.0070.26719.98
5.5.60.0130.25719.92
5.5.50.0130.26720.04
5.5.40.0030.26020.00
5.5.30.0070.28020.04
5.5.20.0100.25319.99
5.5.10.0030.25719.95
5.5.00.0130.25020.02
5.4.450.0070.25319.12
5.4.440.0100.27319.27
5.4.430.0070.27719.11
5.4.420.0070.27019.44
5.4.410.0030.25019.29
5.4.400.0130.24318.97
5.4.390.0000.27018.96
5.4.380.0070.27018.79
5.4.370.0030.27019.03
5.4.360.0070.25718.98
5.4.350.0030.26319.09
5.4.340.0070.25718.97
5.4.320.0100.25719.14
5.4.310.0030.24019.06
5.4.300.0000.27319.04
5.4.290.0000.26019.12
5.4.280.0070.25318.93
5.4.270.0170.24718.81
5.4.260.0030.26019.22
5.4.250.0000.22019.02
5.4.240.0030.25019.22
5.4.230.0030.25319.02
5.4.220.0000.27318.89
5.4.210.0100.28719.06
5.4.200.0070.26319.03
5.4.190.0100.26019.02
5.4.180.0200.25319.05
5.4.170.0000.25719.02
5.4.160.0100.26718.80
5.4.150.0100.25318.88
5.4.140.0030.27716.30
5.4.130.0100.27016.22
5.4.120.0030.27716.09
5.4.110.0170.23016.21
5.4.100.0100.23716.36
5.4.90.0100.25316.26
5.4.80.0100.26016.29
5.4.70.0030.28016.42
5.4.60.0030.24316.24
5.4.50.0070.27716.33
5.4.40.0070.24716.43
5.4.30.0070.27016.23
5.4.20.0030.27016.40
5.4.10.0070.26316.28
5.4.00.0030.26715.52
5.3.290.0000.26314.66
5.3.280.0100.26314.57
5.3.270.0100.27014.45
5.3.260.0130.27714.57
5.3.250.0100.25014.59
5.3.240.0070.25714.43
5.3.230.0000.23714.54
5.3.220.0100.28314.55
5.3.210.0030.26314.50
5.3.200.0430.21714.53
5.3.190.0100.27714.45
5.3.180.0070.27014.56
5.3.170.0030.27714.54
5.3.160.0100.27314.43
5.3.150.0070.22314.58
5.3.140.0030.24314.41
5.3.130.0100.29314.54
5.3.120.0000.29714.49
5.3.110.0070.28314.48
5.3.100.0100.27014.02
5.3.90.0100.24713.87
5.3.80.0030.27713.80
5.3.70.0000.23313.98
5.3.60.0100.27713.78
5.3.50.0070.27013.90
5.3.40.0130.27313.80
5.3.30.0070.27013.91
5.3.20.0070.24713.69
5.3.10.0100.24713.64
5.3.00.0070.30013.50
5.2.170.0070.26311.18
5.2.160.0100.30711.20
5.2.150.0030.28011.11
5.2.140.0030.29011.13
5.2.130.0030.29711.08
5.2.120.0130.28711.16
5.2.110.0030.29711.05
5.2.100.0030.28710.95
5.2.90.0030.27011.02
5.2.80.0100.26011.14
5.2.70.0070.31311.09
5.2.60.0030.27711.09
5.2.50.0000.23310.81
5.2.40.0030.26010.86
5.2.30.0000.26710.89
5.2.20.0070.30711.04
5.2.10.0030.21010.72
5.2.00.0070.25310.66
5.1.60.0000.25310.05
5.1.50.0000.23310.05
5.1.40.0030.2809.80
5.1.30.0030.29310.15
5.1.20.0030.30010.26
5.1.10.0030.2409.91
5.1.00.0000.25710.06
5.0.50.0000.3108.39
5.0.40.0030.3878.50
5.0.30.0000.3208.30
5.0.20.0030.3178.31
5.0.10.0030.3738.17
5.0.00.0030.3678.16
4.4.90.0030.3737.64
4.4.80.0070.3877.64
4.4.70.0000.3707.64
4.4.60.0030.3637.64
4.4.50.0030.3477.64
4.4.40.0000.3777.64
4.4.30.0030.3737.64
4.4.20.0030.3637.64
4.4.10.0030.3537.64
4.4.00.0000.2977.64
4.3.110.0000.3377.64
4.3.100.0030.3337.64
4.3.90.0030.3907.64
4.3.80.0070.4477.64
4.3.70.0000.3637.64
4.3.60.0030.3777.64
4.3.50.0000.3977.64
4.3.40.0100.3637.64
4.3.30.0000.3837.64
4.3.20.0000.3637.64
4.3.10.0000.3607.64
4.3.00.0000.3637.64

preferences:
29.49 ms | 401 KiB | 5 Q