3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content = '12345678 ciao come'; $start = 9; var_dump( strpos( $content, ' ', $start-1 ) ); var_dump( substr( $content, $start, 154 ) );

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)
8.3.60.0140.00016.63
8.3.50.0080.01121.25
8.3.40.0110.01118.59
8.3.30.0120.00618.64
8.3.20.0060.00920.22
8.3.10.0000.00821.77
8.3.00.0050.00319.56
8.2.180.0110.00316.38
8.2.170.0110.00422.96
8.2.160.0100.00720.52
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0030.00526.16
8.2.120.0090.00017.50
8.2.110.0090.00022.16
8.2.100.0040.00817.63
8.2.90.0030.00618.98
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0050.00217.90
8.2.50.0000.00918.07
8.2.40.0040.00419.36
8.2.30.0030.00619.66
8.2.20.0040.00417.52
8.2.10.0000.00818.04
8.2.00.0000.00817.98
8.1.280.0070.01325.92
8.1.270.0060.00320.25
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.42
8.1.230.0130.00317.42
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0070.00317.23
8.1.190.0040.00417.22
8.1.180.0030.00618.10
8.1.170.0080.00018.26
8.1.160.0000.00721.99
8.1.150.0000.00718.82
8.1.140.0000.00917.37
8.1.130.0030.00517.69
8.1.120.0000.00717.29
8.1.110.0000.00817.25
8.1.100.0030.00717.38
8.1.90.0040.00417.43
8.1.80.0040.00417.39
8.1.70.0000.00717.30
8.1.60.0080.00017.49
8.1.50.0000.00917.33
8.1.40.0080.00017.45
8.1.30.0000.00817.62
8.1.20.0040.00417.57
8.1.10.0040.00417.34
8.1.00.0040.00417.31
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0040.00418.22
8.0.270.0040.00416.75
8.0.260.0030.00617.09
8.0.250.0040.00416.82
8.0.240.0030.00316.87
8.0.230.0030.00316.87
8.0.220.0000.00716.86
8.0.210.0000.00716.73
8.0.200.0060.00016.90
8.0.190.0000.00816.80
8.0.180.0070.00016.73
8.0.170.0070.00016.91
8.0.160.0000.00816.71
8.0.150.0080.00016.70
8.0.140.0000.00716.68
8.0.130.0050.00013.27
8.0.120.0000.00716.68
8.0.110.0040.00416.78
8.0.100.0040.00416.68
8.0.90.0070.00016.80
8.0.80.0100.01016.71
8.0.70.0030.00516.79
8.0.60.0040.00416.69
8.0.50.0000.00816.88
8.0.30.0140.00817.01
8.0.20.0130.00717.40
8.0.10.0050.00316.96
8.0.00.0130.00416.79
7.4.330.0020.00215.09
7.4.320.0000.00616.54
7.4.300.0000.00716.51
7.4.290.0070.00016.41
7.4.280.0000.00716.33
7.4.270.0040.00416.45
7.4.260.0000.00716.51
7.4.250.0000.00716.48
7.4.240.0080.00016.53
7.4.230.0000.00716.54
7.4.220.0070.01316.47
7.4.210.0070.01016.56
7.4.200.0050.00216.32
7.4.160.0070.01116.38
7.4.150.0090.00917.40
7.4.140.0140.01117.86
7.4.130.0100.00816.45
7.4.120.0070.00916.54
7.4.110.0100.01316.27
7.4.100.0030.01816.47
7.4.90.0140.00416.31
7.4.80.0030.01319.39
7.4.70.0150.00316.41
7.4.60.0100.00716.39
7.4.50.0020.00216.43
7.4.40.0040.01416.27
7.4.30.0070.01016.51
7.4.00.0030.01014.71
7.3.330.0030.00312.99
7.3.320.0050.00013.18
7.3.310.0000.00616.13
7.3.300.0030.00316.04
7.3.290.0060.00016.11
7.3.280.0040.01216.16
7.3.270.0090.01517.40
7.3.260.0090.01016.42
7.3.250.0100.01016.39
7.3.240.0030.01316.46
7.3.230.0150.00916.39
7.3.210.0030.01316.51
7.3.200.0070.01416.55
7.3.190.0100.00716.19
7.3.180.0090.01216.37
7.3.170.0110.01116.36
7.3.160.0120.00816.21
7.3.10.0150.00616.31
7.3.00.0130.00716.11
7.2.330.0110.00616.52
7.2.320.0060.01616.55
7.2.310.0060.01016.67
7.2.300.0030.01316.50
7.2.290.0100.00716.50
7.2.130.0020.01416.22
7.2.120.0120.00416.14
7.2.110.0080.00815.84
7.2.100.0100.00616.23
7.2.90.0130.00916.59
7.2.80.0120.00316.02
7.2.70.0080.00416.55
7.2.60.0090.00615.92
7.2.50.0070.01016.35
7.2.40.0130.01016.18
7.2.30.0180.00316.19
7.2.20.0210.00015.93
7.2.10.0100.00615.96
7.2.00.0080.00817.96
7.1.250.0120.00615.28
7.1.100.0040.00818.33
7.1.70.0100.00017.13
7.1.60.0110.01120.03
7.1.50.0100.01416.80
7.1.00.0070.07322.28
7.0.200.0050.00316.88
7.0.60.0070.08720.03
7.0.50.0070.08017.90
7.0.40.0170.04320.24
7.0.30.0270.04020.18
7.0.20.0270.07720.16
7.0.10.0130.03720.18
7.0.00.0100.04320.32
5.6.280.0030.07721.10
5.6.210.0130.07320.70
5.6.200.0070.04318.09
5.6.190.0030.09020.77
5.6.180.0070.08720.41
5.6.170.0230.06720.50
5.6.160.0100.08720.33
5.6.150.0100.07018.13
5.6.140.0130.07718.11
5.6.130.0070.04318.16
5.6.120.0100.07021.13
5.6.110.0200.07321.13
5.6.100.0130.08021.00
5.6.90.0030.07020.94
5.6.80.0030.06720.41
5.5.350.4100.04320.43
5.5.340.0030.04018.02
5.5.330.0100.04020.15
5.5.320.0000.04720.23
5.5.310.0200.08720.18
5.5.300.0030.07318.01
5.5.290.0070.04017.98
5.5.280.0000.05020.84
5.5.270.0100.04320.79
5.5.260.0170.07720.72
5.5.250.0070.06720.69
5.5.240.0170.06720.25
5.4.450.0530.05319.20
5.4.440.0500.05319.42
5.4.430.0500.06019.34
5.4.420.0630.05319.48
5.4.410.0530.05019.35
5.4.400.0530.04319.01
5.4.390.0530.05319.21
5.4.380.0730.03719.24
5.4.370.0670.04318.87
5.4.360.0630.04718.93
5.4.350.0570.04319.17
5.4.340.0670.04318.75
5.4.320.0530.05719.05
5.4.310.0800.03318.87
5.4.300.0600.05018.78
5.4.290.0700.04019.24
5.4.280.0770.03719.01
5.4.270.0570.05318.84
5.4.260.0470.06019.20
5.4.250.0430.05719.00
5.4.240.0470.06718.97
5.4.230.0700.04018.75
5.4.220.0170.06018.97
5.4.210.0130.04719.14
5.4.200.0170.04319.00
5.4.190.0230.04719.04
5.4.180.0470.05019.20
5.4.170.0430.05319.06
5.4.160.0570.05319.03
5.4.150.0530.05718.73
5.4.140.0530.05716.32
5.4.130.0570.04716.38
5.4.120.0500.05316.26
5.4.110.0570.05016.42
5.4.100.0600.05016.43
5.4.90.0530.05316.39
5.4.80.0670.04316.41
5.4.70.0230.04316.32
5.4.60.0230.05316.46
5.4.50.0330.06316.43
5.4.40.0270.06316.27
5.4.30.0230.07016.36
5.4.20.0170.07316.47
5.4.10.0200.04016.40

preferences:
32.36 ms | 401 KiB | 5 Q