3v4l.org

run code in 300+ PHP versions simultaneously
<?php $idValue = 'lorem ip'; var_dump(substr($idValue, 0, 1024));

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)
8.3.60.0040.01118.18
8.3.50.0070.01016.23
8.3.40.0070.00718.53
8.3.30.0040.01118.51
8.3.20.0060.00318.81
8.3.10.0000.00820.91
8.3.00.0040.00417.68
8.2.180.0150.00018.29
8.2.170.0040.01622.96
8.2.160.0170.00319.08
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00019.66
8.2.120.0000.00726.35
8.2.110.0090.00019.33
8.2.100.0110.00017.78
8.2.90.0000.00817.63
8.2.80.0060.00318.66
8.2.70.0040.00417.91
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0040.00419.18
8.2.30.0000.00719.36
8.2.20.0040.00417.92
8.2.10.0050.00317.86
8.2.00.0020.00519.26
8.1.280.0210.00025.92
8.1.270.0060.00323.83
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.76
8.1.230.0000.01120.90
8.1.220.0050.00318.56
8.1.210.0050.00319.02
8.1.200.0000.00917.34
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0040.00418.57
8.1.160.0070.00018.81
8.1.150.0070.00018.73
8.1.140.0050.00217.57
8.1.130.0030.00319.05
8.1.120.0040.00417.36
8.1.110.0040.00417.43
8.1.100.0040.00417.43
8.1.90.0000.01017.32
8.1.80.0030.00617.27
8.1.70.0070.00317.41
8.1.60.0100.00017.40
8.1.50.0040.00417.36
8.1.40.0030.00517.47
8.1.30.0040.00417.57
8.1.20.0070.00017.49
8.1.10.0050.00217.43
8.1.00.0000.00817.33
8.0.300.0000.00819.85
8.0.290.0000.00816.63
8.0.280.0030.00318.30
8.0.270.0000.00717.09
8.0.260.0060.00317.19
8.0.250.0080.00016.95
8.0.240.0030.00316.81
8.0.230.0040.00416.81
8.0.220.0000.00716.71
8.0.210.0040.00416.71
8.0.200.0060.00016.91
8.0.190.0040.00416.87
8.0.180.0000.00716.85
8.0.170.0000.00816.84
8.0.160.0070.00016.84
8.0.150.0000.00716.83
8.0.140.0000.00716.76
8.0.130.0050.00013.18
8.0.120.0000.00816.79
8.0.110.0030.00316.86
8.0.100.0050.00316.93
8.0.90.0070.00016.94
8.0.80.0090.00616.77
8.0.70.0040.00416.71
8.0.60.0040.00416.71
8.0.50.0030.00516.84
8.0.30.0100.00816.90
8.0.20.0070.01117.40
8.0.10.0080.00016.94
8.0.00.0080.01116.66
7.4.330.0050.00015.55
7.4.320.0030.00316.48
7.4.300.0040.00416.48
7.4.290.0030.00316.49
7.4.280.0080.00016.39
7.4.270.0000.00716.44
7.4.260.0000.00716.53
7.4.250.0030.00316.48
7.4.240.0000.00816.55
7.4.230.0070.00016.60
7.4.220.0000.00716.50
7.4.210.0040.01116.48
7.4.200.0070.00016.45
7.4.160.0070.01116.42
7.4.140.0150.00617.86
7.4.130.0100.00716.37
7.4.120.0100.00716.37
7.4.110.0070.01016.28
7.4.100.0090.00616.33
7.4.90.0100.00716.22
7.4.80.0060.01719.39
7.4.70.0130.00716.42
7.4.60.0120.00916.33
7.4.50.0040.01416.46
7.4.40.0130.00616.44
7.4.00.0070.00714.71
7.3.330.0030.00312.88
7.3.320.0000.00613.02
7.3.310.0030.00316.03
7.3.300.0070.00016.16
7.3.290.0030.00316.16
7.3.280.0060.00616.09
7.3.260.0110.00816.18
7.3.240.0070.01216.22
7.3.230.0130.00316.16
7.3.210.0100.00716.09
7.3.200.0070.01016.10
7.3.190.0160.00316.13
7.3.180.0090.00616.04
7.3.170.0160.00016.23
7.3.160.0090.00616.54
7.2.330.0090.00816.25
7.2.320.0060.01816.48
7.2.310.0070.01116.19
7.2.300.0030.01516.30
7.2.290.0030.01316.17
7.2.60.1140.00714.47
7.2.50.1450.01014.91
7.2.40.1520.01414.90
7.2.30.1330.01015.04
7.2.20.1420.00815.29
7.2.10.1510.00714.71
7.2.00.1160.01314.88
7.1.200.0040.01115.74
7.1.170.1390.00613.75
7.1.160.1430.01816.71
7.1.150.1160.01116.86
7.1.140.1480.01316.50
7.1.130.1620.01616.21
7.1.120.2280.01416.29
7.1.110.1790.01016.02
7.1.100.1820.01315.91
7.1.90.1420.01416.01
7.1.80.1840.01215.67
7.1.70.1430.00914.96
7.1.60.1630.01032.80
7.1.50.1770.01832.58
7.1.40.1610.02332.16
7.1.30.1320.01832.66
7.1.20.1630.01632.69
7.1.10.1320.01114.67
7.1.00.1680.01114.53

preferences:
61.23 ms | 400 KiB | 5 Q