3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sep = "long string"; $text = "blablablablablablablabla-long strin"; $last = $text[strlen($text) -1]; $offset = 0; while (($pos = strpos($sep, $last, $offset)) !== false) { $subsep = substr($sep, 0, $pos + 1); $sublen = strlen($subsep); if (substr_compare($text, $subsep, -$sublen) === 0) { echo substr($text, 0, -$sublen); break; } $offset = $pos + 1; }

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)
8.5.30.0070.01017.30
8.5.20.0110.00520.16
8.5.10.0130.00520.02
8.5.00.0110.01020.17
8.4.180.0150.00622.15
8.4.170.0170.01020.52
8.4.160.0150.00623.90
8.4.150.0080.00416.85
8.4.140.0090.01417.81
8.4.130.0110.00817.52
8.4.120.0110.00920.84
8.4.110.0060.00222.56
8.4.100.0040.00717.84
8.4.90.0140.00718.84
8.4.80.0110.00917.75
8.4.70.0090.01017.82
8.4.60.0100.01118.95
8.4.50.0040.00519.14
8.4.40.0140.00719.20
8.4.30.0070.01317.71
8.4.20.0140.00717.74
8.4.10.0100.01017.61
8.3.300.0160.00520.85
8.3.290.0110.00920.93
8.3.280.0150.00918.31
8.3.270.0150.00416.88
8.3.260.0120.00716.55
8.3.250.0150.00418.91
8.3.240.0100.00916.63
8.3.230.0130.00616.50
8.3.220.0070.00219.17
8.3.210.0050.00316.65
8.3.200.0030.00616.88
8.3.190.0040.00619.17
8.3.180.0110.00618.96
8.3.170.0040.01416.94
8.3.160.0080.01217.29
8.3.150.0040.01117.11
8.3.140.0110.00720.64
8.3.130.0040.00418.03
8.3.120.0130.00618.97
8.3.110.0030.00520.94
8.3.100.0040.00416.47
8.3.90.0000.00826.77
8.3.80.0120.00318.30
8.3.70.0180.00016.50
8.3.60.0100.00718.18
8.3.50.0080.01322.05
8.3.40.0000.01518.97
8.3.30.0090.00618.58
8.3.20.0110.00320.18
8.3.10.0130.00320.65
8.3.00.0040.00420.55
8.2.300.0080.01322.20
8.2.290.0130.00622.51
8.2.280.0150.00618.65
8.2.270.0110.00716.88
8.2.260.0120.00616.29
8.2.250.0100.00016.73
8.2.240.0070.00719.08
8.2.230.0070.00322.58
8.2.220.0070.00424.06
8.2.210.0040.00426.77
8.2.200.0000.00918.46
8.2.190.0090.00616.88
8.2.180.0110.00418.29
8.2.170.0120.00322.96
8.2.160.0000.01819.21
8.2.150.0040.00424.18
8.2.140.0100.00724.66
8.2.130.0040.00419.48
8.2.120.0050.00326.35
8.2.110.0040.00419.19
8.2.100.0070.00417.91
8.2.90.0000.00819.17
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0040.00417.93
8.2.50.0090.00018.10
8.2.40.0000.00920.64
8.2.30.0040.00419.53
8.2.20.0070.00017.69
8.2.10.0040.00418.20
8.2.00.0000.00718.12
8.1.340.0120.00817.57
8.1.330.0130.00621.84
8.1.320.0110.00817.93
8.1.310.0070.01016.43
8.1.300.0060.00319.76
8.1.290.0090.00030.84
8.1.280.0140.00725.92
8.1.270.0080.00023.84
8.1.260.0100.01028.09
8.1.250.0080.00028.09
8.1.240.0070.01122.00
8.1.230.0090.00320.98
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0050.00517.36
8.1.190.0080.00017.36
8.1.180.0050.00318.10
8.1.170.0030.00618.50
8.1.160.0000.00720.94
8.1.150.0000.00718.88
8.1.140.0040.00419.54
8.1.130.0000.00917.69
8.1.120.0000.00717.49
8.1.110.0070.00017.36
8.1.100.0040.00417.47
8.1.90.0030.00517.35
8.1.80.0090.00017.43
8.1.70.0070.00017.41
8.1.60.0000.00817.44
8.1.50.0080.00017.48
8.1.40.0040.00417.34
8.1.30.0000.00817.46
8.1.20.0000.00717.67
8.1.10.0070.00417.42
8.1.00.0030.00617.52
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.39
8.0.270.0070.00017.15
8.0.260.0040.00417.22
8.0.250.0030.00616.96
8.0.240.0030.00317.04
8.0.230.0040.00316.95
8.0.220.0030.00516.83
8.0.210.0000.00716.73
8.0.200.0050.00316.86
8.0.190.0040.00416.80
8.0.180.0040.00416.89
8.0.170.0040.00416.91
8.0.160.0000.00816.76
8.0.150.0060.00316.84
8.0.140.0070.00316.86
8.0.130.0000.00613.20
8.0.120.0040.00416.83
8.0.110.0000.00816.76
8.0.100.0060.00316.86
8.0.90.0070.00016.64
8.0.80.0100.00716.82
8.0.70.0040.00416.64
8.0.60.0070.00016.71
8.0.50.0000.00716.72
8.0.30.0050.01016.97
8.0.20.0070.01217.40
8.0.10.0040.00416.88
8.0.00.0130.00516.72
7.4.330.0030.00315.08
7.4.320.0030.00316.52
7.4.300.0060.00016.42
7.4.290.0030.00316.66
7.4.280.0030.00316.53
7.4.270.0030.00316.54
7.4.260.0070.00016.56
7.4.250.0050.00316.55
7.4.240.0030.00316.67
7.4.230.0000.00716.60
7.4.220.0150.00416.58
7.4.210.0000.01916.58
7.4.200.0070.00016.46
7.4.160.0100.00716.54
7.4.150.0130.00417.40
7.4.140.0180.01117.86
7.4.130.0080.01016.50
7.4.120.0090.00816.56
7.4.110.0070.01116.36
7.4.100.0070.01716.57
7.4.90.0100.00716.45
7.4.80.0030.01419.39
7.4.70.0090.00616.64
7.4.60.0080.00816.51
7.4.50.0030.01416.21
7.4.40.0100.00716.63
7.4.30.0080.00816.44
7.4.00.0070.01015.11
7.3.330.0030.00313.22
7.3.320.0050.00013.12
7.3.310.0040.00416.20
7.3.300.0000.00716.26
7.3.290.0080.00816.33
7.3.280.0100.00716.34
7.3.270.0060.01217.40
7.3.260.0100.00716.50
7.3.250.0100.00916.41
7.3.240.0110.00716.44
7.3.230.0090.00616.63
7.3.210.0110.00616.32
7.3.200.0030.01716.38
7.3.190.0130.00316.46
7.3.180.0060.01016.37
7.3.170.0030.01716.29
7.3.160.0080.00816.55
7.3.120.0060.01114.69
7.3.110.0140.00315.12
7.3.100.0070.01014.80
7.3.90.0030.00614.59
7.3.80.0090.00614.76
7.3.70.0080.00014.68
7.3.60.0000.00815.09
7.3.50.0000.01514.61
7.3.40.0000.00814.84
7.3.30.0080.00614.76
7.3.20.0000.00916.89
7.3.10.0030.00916.55
7.3.00.0070.00416.52
7.2.330.0120.00616.52
7.2.320.0090.00916.65
7.2.310.0120.00616.48
7.2.300.0080.00816.70
7.2.290.0060.01016.45
7.2.250.0030.01615.20
7.2.240.0090.00915.10
7.2.230.0090.00615.13
7.2.220.0030.00614.86
7.2.210.0100.00315.02
7.2.200.0070.00714.93
7.2.190.0030.00615.05
7.2.180.0030.01014.96
7.2.170.0040.00814.97
7.2.60.0030.00916.95
7.1.330.0000.01315.85
7.1.320.0070.00715.85
7.1.310.0000.01015.88
7.1.300.0000.00815.92
7.1.290.0000.01315.95
7.1.280.0030.01015.90
7.1.270.0030.00915.91
7.1.260.0030.00715.82
7.1.200.0030.00915.63
7.1.70.0000.00717.19
7.1.60.0040.01119.23
7.1.00.0070.07322.45
7.0.200.0050.00516.44
7.0.60.0200.07721.84
7.0.50.0130.07317.86
7.0.40.0470.06719.96
7.0.30.0870.05320.26
7.0.20.0900.06720.10
7.0.10.0800.06320.46
7.0.00.0000.07020.30
5.6.280.0000.07721.07
5.6.210.0100.04020.69
5.6.200.0100.05018.13
5.6.190.0130.06320.65
5.6.180.0770.04720.35
5.6.170.0730.06320.50
5.6.160.0170.06720.84
5.6.150.0330.06020.49
5.6.140.0770.05320.52
5.6.130.0870.05720.10
5.6.120.0170.06020.34
5.6.110.0270.04320.09
5.6.100.0430.05020.09
5.6.90.0770.05320.11
5.6.80.0770.06319.69
5.6.70.0730.05319.52
5.6.60.0670.06019.68
5.6.50.0630.06019.51
5.6.40.0670.05719.85
5.6.30.0570.07019.46
5.6.20.0630.06319.75
5.6.10.0730.05319.69
5.6.00.0730.05019.80
5.5.350.0300.07020.32
5.5.340.0030.08018.00
5.5.330.0100.06020.29
5.5.320.0670.06020.59
5.5.310.0730.05320.32
5.5.300.0770.07320.26
5.5.290.0900.05320.32
5.5.280.0170.05020.23
5.5.270.0130.05320.29
5.5.260.0670.06320.14
5.5.250.0870.05320.07
5.5.240.0700.05719.31
5.5.230.0670.06019.30
5.5.220.0730.05319.61
5.5.210.0700.05319.28
5.5.200.0630.05719.54
5.5.190.0730.05019.32
5.5.180.0730.05719.58
5.5.160.0700.05019.54
5.5.150.0630.06319.58
5.5.140.0830.05319.58
5.5.130.0800.04719.55
5.5.120.0800.04019.64
5.5.110.0730.05319.23
5.5.100.0800.04319.52
5.5.90.0870.06019.54
5.5.80.0800.05719.56
5.5.70.0970.04319.17
5.5.60.0730.04719.55
5.5.50.0700.05319.14
5.5.40.0800.04319.48
5.5.30.0670.06719.14
5.5.20.0830.04019.29
5.5.10.0730.05319.14
5.5.00.0570.07019.43

preferences:
55.56 ms | 1733 KiB | 5 Q