3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = ''; for ($i = 0; $i < 100000; ++$i) { // 10 MB $s .= rand(0, 9); } $s .= $s . $s . $s . $s . $s . $s . $s . $s . $s; // 100Mb echo "data: " . mb_strlen($s) / (1024 * 1024) . " Mb"; $start = microtime(true); for ($i = 0; $i < 1000; ++$i) { mb_strlen($s); } $end = microtime(true); echo "result = " . ($end - $start);

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)
7.1.70.0702.43119.07
7.1.60.0202.48119.70
7.1.50.0232.45336.97
7.1.00.0072.49324.42
7.0.200.0172.48418.73
7.0.140.0032.49724.22
7.0.60.0032.49722.03
7.0.50.0032.49719.79
7.0.40.0132.48719.87
7.0.30.0402.46019.82
7.0.20.0202.48019.89
7.0.10.0302.47019.71
7.0.00.0072.49319.93
5.6.280.0072.49323.34
5.6.210.0072.49322.79
5.6.200.0102.49020.43
5.6.190.0072.48022.61
5.6.180.0332.46722.57
5.6.170.0302.47022.55
5.6.160.0072.49322.89
5.6.150.0072.49320.38
5.6.140.0072.49320.36
5.6.130.0072.49320.32
5.6.120.0072.49323.39
5.6.110.0172.48323.86
5.6.100.0032.49723.27
5.6.90.0032.49723.32
5.6.80.0132.48722.66
5.6.70.0302.47022.52
5.5.350.0230.08722.55
5.5.340.0170.06320.24
5.5.330.0170.05722.37
5.5.320.0370.09722.30
5.5.310.0330.10022.39
5.5.300.0030.09319.98
5.5.290.0170.11720.23
5.5.280.0130.10722.98
5.5.270.0130.10723.11
5.5.260.0030.12322.90
5.5.250.0170.10723.04
5.5.240.0030.06322.40
5.4.450.0770.09721.29
5.4.440.0000.10321.50
5.4.430.0930.08321.32
5.4.420.0970.00021.52
5.4.410.0170.08320.97
5.4.400.0400.08020.99
5.4.390.0370.11020.80
5.4.380.0200.09021.20
5.4.370.0330.07320.85
5.4.360.0170.07020.86
5.4.350.0100.06614.72
5.4.340.0090.08714.22
5.4.320.0070.06014.71
5.4.310.0130.07214.70
5.4.300.0120.09214.71
5.4.290.0140.09114.70
5.4.280.0170.11214.60
5.4.270.0180.10714.60
5.4.260.0100.07914.60
5.4.250.0160.08814.60
5.4.240.0080.09514.60
5.4.230.0110.10314.59
5.4.220.0180.13814.59
5.4.210.0150.10914.59
5.4.200.0140.08514.59
5.4.190.0120.09614.59
5.4.180.0140.09314.59
5.4.170.0120.10314.60
5.4.160.0160.18414.60
5.4.150.0120.10114.59
5.4.140.0130.10914.28
5.4.130.0160.09914.26
5.4.120.0090.11414.22
5.4.110.0110.09114.21
5.4.100.0160.09814.22
5.4.90.0170.12514.21
5.4.80.0130.09014.22
5.4.70.0170.09314.21
5.4.60.0170.09914.21
5.4.50.0080.06414.21
5.4.40.0100.08714.20
5.4.30.0120.09314.20
5.4.20.0130.08714.20
5.4.10.0140.08514.20
5.4.00.0120.10013.69
5.3.290.0070.09214.78
5.3.280.0100.10314.71
5.3.270.0180.12814.72
5.3.260.0120.10014.73
5.3.250.0130.09914.73
5.3.240.0140.10114.73
5.3.230.0090.08914.72
5.3.220.0120.10014.69
5.3.210.0110.11214.68
5.3.200.0080.12214.68
5.3.190.0080.09714.68
5.3.180.0090.09614.68
5.3.170.0080.10114.68
5.3.160.0080.10414.68
5.3.150.0090.10214.68
5.3.140.0130.10314.67
5.3.130.0120.09414.67
5.3.120.0140.09414.67
5.3.110.0110.09214.67
5.3.100.0120.08414.16
5.3.90.0100.07414.14
5.3.80.0150.07214.13
5.3.70.0140.10414.13
5.3.60.0120.09014.12
5.3.50.0150.10514.07
5.3.40.0150.10214.07
5.3.30.0150.10214.02
5.3.20.0120.09313.80
5.3.10.0080.09613.77
5.3.00.0120.10013.75
5.2.170.0140.08811.92
5.2.160.0110.09311.24
5.2.150.0090.09711.25
5.2.140.0080.09811.24
5.2.130.0080.12511.20
5.2.120.0080.09211.20
5.2.110.0090.08711.20
5.2.100.0120.08411.20
5.2.90.0090.08711.20
5.2.80.0070.11011.20
5.2.70.0080.09511.20
5.2.60.0090.08211.14
5.2.50.0090.09911.11
5.2.40.0130.09311.09
5.2.30.0110.09211.07
5.2.20.0080.08911.06
5.2.10.0090.11011.00
5.2.00.0080.10710.86
5.1.60.0100.1509.75
5.1.50.0190.1559.75
5.1.40.0160.1299.73
5.1.30.0120.08810.07
5.1.20.0070.06910.11
5.1.10.0060.0699.84
5.1.00.0090.0849.83
5.0.50.0070.1038.32
5.0.40.0090.0768.18
5.0.30.0090.1708.00
5.0.20.0160.1707.96
5.0.10.0100.1447.94
5.0.00.0110.1537.93
4.4.90.0090.1426.36
4.4.80.0080.1146.34
4.4.70.0080.1206.34
4.4.60.0050.1276.34
4.4.50.0090.1906.36
4.4.40.0090.1596.34
4.4.30.0060.1326.34
4.4.20.0070.0806.41
4.4.10.0100.0996.41
4.4.00.0070.0846.37
4.3.110.0050.0896.29
4.3.100.0070.1236.27
4.3.90.0060.1006.25
4.3.80.0080.1166.25
4.3.70.0070.1136.25
4.3.60.0080.1266.25
4.3.50.0170.1386.25
4.3.40.0080.1386.21
4.3.30.0050.1085.02
4.3.20.0072.1374.99
4.3.10.0202.0494.95
4.3.00.0272.4436.44

preferences:
39.48 ms | 401 KiB | 5 Q