3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foobar = 'string'; $length = strlen($foobar); var_dump('blarstring', $foobar, -$length);

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)
8.3.60.0100.01016.61
8.3.50.0070.01522.01
8.3.40.0100.01018.54
8.3.30.0110.00418.59
8.3.20.0040.00420.21
8.3.10.0050.00323.66
8.3.00.0070.00317.38
8.2.180.0110.01118.06
8.2.170.0130.00322.96
8.2.160.0070.00722.09
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.19
8.2.110.0000.01122.26
8.2.100.0040.00818.04
8.2.90.0040.00419.27
8.2.80.0030.00517.97
8.2.70.0050.00317.50
8.2.60.0080.00018.02
8.2.50.0030.00618.07
8.2.40.0000.00719.38
8.2.30.0040.00420.55
8.2.20.0030.00617.69
8.2.10.0050.00218.11
8.2.00.0040.00418.17
8.1.280.0150.00325.92
8.1.270.0030.00523.84
8.1.260.0040.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00322.67
8.1.230.0090.00317.66
8.1.220.0030.00617.79
8.1.210.0030.00618.77
8.1.200.0000.00917.23
8.1.190.0000.00817.11
8.1.180.0040.00418.10
8.1.170.0040.00418.79
8.1.160.0000.00721.81
8.1.150.0040.00418.81
8.1.140.0030.00519.51
8.1.130.0040.00417.54
8.1.120.0040.00417.43
8.1.110.0000.00717.29
8.1.100.0040.00417.41
8.1.90.0020.00517.42
8.1.80.0030.00317.39
8.1.70.0030.00317.44
8.1.60.0080.00017.48
8.1.50.0090.00017.34
8.1.40.0040.00417.45
8.1.30.0000.00817.45
8.1.20.0000.00817.54
8.1.10.0000.00717.39
8.1.00.0080.00017.33
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.30
8.0.270.0000.00717.23
8.0.260.0030.00317.26
8.0.250.0050.00316.92
8.0.240.0040.00416.94
8.0.230.0000.00716.87
8.0.220.0030.00316.88
8.0.210.0000.00816.88
8.0.200.0090.00016.89
8.0.190.0000.00816.75
8.0.180.0020.00516.79
8.0.170.0040.00416.71
8.0.160.0000.00716.71
8.0.150.0040.00416.67
8.0.140.0040.00416.68
8.0.130.0050.00013.25
8.0.120.0000.00816.77
8.0.110.0000.00816.88
8.0.100.0030.00516.77
8.0.90.0000.00716.68
8.0.80.0000.01716.78
8.0.70.0040.00416.64
8.0.60.0000.00716.64
8.0.50.0000.00816.66
8.0.30.0080.01017.21
8.0.20.0090.01017.40
8.0.10.0040.00416.80
8.0.00.0090.00816.59
7.4.330.0000.00515.08
7.4.320.0000.00616.35
7.4.300.0030.00316.53
7.4.290.0030.00316.48
7.4.280.0030.00616.43
7.4.270.0040.00416.38
7.4.260.0030.00616.50
7.4.250.0000.00716.46
7.4.240.0030.00516.38
7.4.230.0040.00416.45
7.4.220.0110.00616.53
7.4.210.0130.00716.55
7.4.200.0040.00416.56
7.4.160.0100.00616.46
7.4.150.0110.00717.40
7.4.140.0160.00717.86
7.4.130.0110.00916.40
7.4.120.0040.01216.54
7.4.110.0150.00316.51
7.4.100.0130.00616.53
7.4.90.0060.01316.33
7.4.80.0090.00919.39
7.4.70.0100.00716.45
7.4.60.0030.01316.31
7.4.50.0030.00616.53
7.4.40.0080.00816.32
7.4.30.0100.00716.35
7.4.00.0070.01015.10
7.3.330.0000.00513.09
7.3.320.0000.00513.01
7.3.310.0040.00416.39
7.3.300.0000.00616.24
7.3.290.0060.00916.22
7.3.280.0080.00916.24
7.3.270.0070.01017.40
7.3.260.0100.01316.29
7.3.250.0110.00716.38
7.3.240.0080.01216.36
7.3.230.0040.01416.39
7.3.210.0090.00916.55
7.3.200.0080.00816.27
7.3.190.0050.01316.58
7.3.180.0030.01216.41
7.3.170.0090.01216.27
7.3.160.0140.00316.35
7.2.330.0110.00716.54
7.2.320.0090.01016.53
7.2.310.0050.01116.26
7.2.300.0060.01216.32
7.2.290.0110.01116.56
7.2.00.0000.01218.98
7.1.100.0030.01018.27
7.1.70.0070.00316.76
7.1.60.0060.01619.43
7.1.50.0210.01434.74
7.1.00.0070.07322.45
7.0.200.0170.01014.75
7.0.60.0100.07719.89
7.0.50.0100.07717.85
7.0.40.0030.06320.02
7.0.30.0130.04720.34
7.0.20.0300.07320.30
7.0.10.0070.04320.15
7.0.00.0100.07720.09
5.6.280.0070.03021.14
5.6.210.0030.08320.47
5.6.200.0030.04718.18
5.6.190.0070.04320.60
5.6.180.0270.04320.46
5.6.170.0200.09020.50
5.6.160.0100.03320.46
5.6.150.0130.07318.13
5.6.140.0070.04318.08
5.6.130.0070.08318.11
5.6.120.0130.07721.01
5.6.110.0170.07320.95
5.6.100.0200.07020.97
5.6.90.0170.07321.00
5.6.80.0070.05720.36
5.5.350.0330.07720.34
5.5.340.0100.06717.89
5.5.330.0030.09020.27
5.5.320.0300.07320.31
5.5.310.0200.08720.29
5.5.300.0100.07317.96
5.5.290.0070.08017.89
5.5.280.0030.07020.72
5.5.270.0070.08720.79
5.5.260.0200.07320.71
5.5.250.0000.08020.68
5.5.240.0030.06020.20
5.4.450.0330.08019.48
5.4.440.0370.07719.48
5.4.430.0430.07719.09
5.4.420.0530.07719.31
5.4.410.0100.06719.47
5.4.400.0100.07319.31
5.4.390.0530.06318.91
5.4.380.0200.06718.90
5.4.370.0430.05318.91
5.4.360.0330.04319.16
5.4.350.0270.06018.92
5.4.340.0370.07319.09
5.4.320.0230.06019.30
5.4.310.0070.06719.22
5.4.300.0200.06319.01
5.4.290.0270.08719.15
5.4.280.0430.05019.14
5.4.270.0230.05719.14
5.4.260.0400.05719.08
5.4.250.0330.06318.99
5.4.240.0130.08019.07
5.4.230.0130.06719.08
5.4.220.0200.08319.30
5.4.210.0530.08018.91
5.4.200.0530.05319.30
5.4.190.0230.06018.79
5.4.180.0430.06319.17
5.4.170.0200.07319.21
5.4.160.0570.05718.75
5.4.150.0400.08319.29
5.4.140.0370.07016.46
5.4.130.0200.06016.41
5.4.120.0400.06016.45
5.4.110.0430.06316.36
5.4.100.0600.08016.45
5.4.90.0200.07016.06
5.4.80.0070.05716.43
5.4.70.0170.05316.44
5.4.60.0530.04316.46
5.4.50.0200.06016.43
5.4.40.0600.06016.51
5.4.30.0170.06716.43
5.4.20.0070.07016.26
5.4.10.0130.06716.43
5.4.00.0100.05715.81

preferences:
32.51 ms | 401 KiB | 5 Q