3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_set_save_handler( function() {return true;}, function() {return true;}, function() {return true;}, function() {return true;}, function() { $contents = ob_get_contents(); ob_end_clean(); print substr($contents, 0, 5); print ' PHP '; print substr($contents, 5); return true; }, function(){return true;} ); session_start(); ob_start(); echo 'Hello'; echo 'World';

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)
8.3.60.0070.01416.63
8.3.50.0130.00718.04
8.3.40.0100.00718.84
8.3.30.0110.00418.71
8.3.20.0040.00421.74
8.3.10.0020.00521.81
8.3.00.0000.00821.76
8.2.180.0080.00816.75
8.2.170.0150.00022.96
8.2.160.0100.01022.31
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0070.00019.31
8.2.120.0070.00026.35
8.2.110.0030.00721.13
8.2.100.0090.00317.78
8.2.90.0030.00519.14
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0120.00017.91
8.2.50.0050.00318.10
8.2.40.0000.00820.61
8.2.30.0000.00819.26
8.2.20.0040.00418.08
8.2.10.0030.00517.95
8.2.00.0000.00718.33
8.1.270.0000.00722.11
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0030.00622.66
8.1.230.0120.00017.82
8.1.220.0040.00417.74
8.1.210.0050.00518.77
8.1.200.0030.00617.35
8.1.190.0060.00317.22
8.1.180.0030.00518.10
8.1.170.0050.00318.59
8.1.160.0040.00418.84
8.1.150.0030.00318.84
8.1.140.0040.00419.03
8.1.130.0000.00717.71
8.1.120.0000.00717.48
8.1.110.0080.00017.41
8.1.100.0040.00417.46
8.1.90.0000.00817.33
8.1.80.0070.00017.46
8.1.70.0000.00717.34
8.1.60.0060.00317.44
8.1.50.0000.00817.44
8.1.40.0000.00717.39
8.1.30.0030.00517.68
8.1.20.0060.00317.50
8.1.10.0030.00517.45
8.1.00.0060.00317.38
8.0.300.0080.00018.77
8.0.290.0080.00016.75
8.0.280.0000.00818.27
8.0.270.0000.00717.17
8.0.260.0030.00317.20
8.0.250.0030.00316.95
8.0.240.0000.00716.94
8.0.230.0000.00716.93
8.0.220.0050.00316.80
8.0.210.0000.00716.84
8.0.200.0000.00616.88
8.0.190.0040.00416.99
8.0.180.0000.00816.91
8.0.170.0060.00316.82
8.0.160.0050.00316.89
8.0.150.0030.00416.91
8.0.140.0070.00016.88
8.0.130.0000.00613.30
8.0.120.0030.00616.85
8.0.110.0070.00016.81
8.0.100.0080.00016.84
8.0.90.0040.00416.89
8.0.80.0040.01116.96
8.0.70.0000.00816.82
8.0.60.0040.00416.88
8.0.50.0040.00416.97
8.0.30.0130.00517.26
8.0.20.0120.00817.40
8.0.10.0070.00016.98
8.0.00.0110.00716.69
7.4.330.0000.00515.55
7.4.320.0000.00716.36
7.4.300.0060.00016.56
7.4.290.0040.00416.40
7.4.280.0040.00416.46
7.4.270.0040.00416.58
7.4.260.0030.00516.42
7.4.250.0050.00316.53
7.4.240.0050.00316.51
7.4.230.0040.00416.56
7.4.220.0000.00716.54
7.4.210.0070.00716.51
7.4.200.0000.00716.57
7.4.160.0110.00716.54
7.4.150.0070.01017.40
7.4.140.0110.00917.86
7.4.130.0090.01516.62
7.4.120.0130.00716.55
7.4.110.0070.01016.63
7.4.100.0040.01716.55
7.4.90.0090.00916.60
7.4.80.0030.01319.39
7.4.70.0100.01016.53
7.4.60.0100.01016.47
7.4.50.0030.01016.46
7.4.40.0030.01716.31
7.4.00.0040.01114.66
7.3.330.0000.00513.33
7.3.320.0000.00613.14
7.3.310.0030.00316.32
7.3.300.0070.00016.27
7.3.290.0000.00616.38
7.3.280.0060.01116.33
7.3.270.0130.01317.40
7.3.260.0100.00916.28
7.3.250.0060.01116.26
7.3.240.0110.00616.27
7.3.230.0120.00516.28
7.3.210.0160.00016.60
7.3.200.0100.00616.48
7.3.190.0070.01016.54
7.3.180.0030.01416.51
7.3.170.0030.01316.18
7.3.160.0080.00816.58
7.2.330.0060.01016.55
7.2.320.0130.00416.35
7.2.310.0090.00916.40
7.2.300.0100.00616.59
7.2.290.0060.00916.75
7.2.60.0030.00717.00
7.2.00.0060.01419.66
7.1.200.0070.00715.64
7.1.120.0030.01418.72
7.1.110.0090.00617.89
7.1.100.0030.01018.10
7.1.90.0090.00617.84
7.1.80.0030.01217.96
7.1.70.0040.00816.97
7.1.60.0150.00935.08
7.1.50.0170.01034.79
7.1.40.0130.01334.21
7.1.30.0190.00634.38
7.1.20.0100.01634.39
7.1.10.0000.01216.68
7.1.00.0030.00916.50

preferences:
55.6 ms | 400 KiB | 5 Q