3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "feedlog_54"; echo strpos('feedlog_', $string);

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)
8.3.40.0050.01018.86
8.3.30.0180.00318.90
8.3.20.0080.00020.04
8.3.10.0040.00421.81
8.3.00.0080.00017.38
8.2.170.0040.01118.96
8.2.160.0110.00322.96
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0080.00019.24
8.2.110.0030.00722.07
8.2.100.0110.00017.65
8.2.90.0000.00719.28
8.2.80.0030.00517.97
8.2.70.0040.00417.63
8.2.60.0050.00318.04
8.2.50.0000.00818.07
8.2.40.0000.01317.66
8.2.30.0050.00317.92
8.2.20.0000.00817.68
8.2.10.0000.00717.97
8.2.00.0060.00317.51
8.1.270.0030.00620.24
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00322.75
8.1.230.0080.00319.48
8.1.220.0040.00417.74
8.1.210.0000.01218.77
8.1.200.0030.00617.10
8.1.190.0040.00417.13
8.1.180.0000.00818.10
8.1.170.0050.00320.22
8.1.160.0000.00721.89
8.1.150.0070.00018.76
8.1.140.0000.00717.29
8.1.130.0040.00417.77
8.1.120.0040.00417.28
8.1.110.0000.00717.38
8.1.100.0030.00317.32
8.1.90.0030.00517.29
8.1.80.0000.00717.38
8.1.70.0000.00717.33
8.1.60.0000.00817.48
8.1.50.0030.00517.42
8.1.40.0030.00917.45
8.1.30.0050.00517.45
8.1.20.0060.00317.55
8.1.10.0000.00717.48
8.1.00.0000.00817.34
8.0.300.0000.00718.77
8.0.290.0030.00516.75
8.0.280.0030.00318.38
8.0.270.0070.00017.15
8.0.260.0000.00617.15
8.0.250.0080.00016.98
8.0.240.0030.00316.77
8.0.230.0050.00216.90
8.0.220.0030.00316.78
8.0.210.0000.00916.75
8.0.200.0080.00016.86
8.0.190.0040.00416.77
8.0.180.0040.00416.88
8.0.170.0000.00816.85
8.0.160.0000.00916.83
8.0.150.0070.00016.75
8.0.140.0030.00316.68
8.0.130.0040.00413.31
8.0.120.0040.00416.69
8.0.110.0040.00416.75
8.0.100.0000.00716.82
8.0.90.0040.00416.84
8.0.80.0150.00616.80
8.0.70.0070.00016.76
8.0.60.0040.00416.80
8.0.50.0040.00416.80
8.0.30.0060.01416.85
8.0.20.0070.01217.40
8.0.10.0070.00016.94
8.0.00.0110.00716.81
7.4.330.0000.00515.07
7.4.320.0030.00316.48
7.4.300.0030.00316.35
7.4.290.0030.00316.43
7.4.280.0000.00716.31
7.4.270.0000.00716.52
7.4.260.0030.00316.43
7.4.250.0070.00016.50
7.4.240.0070.00016.50
7.4.230.0070.00016.52
7.4.220.0040.01416.57
7.4.210.0090.00916.49
7.4.200.0040.00416.50
7.4.160.0080.00816.44
7.4.150.0030.01617.40
7.4.140.0070.01317.86
7.4.130.0180.00816.49
7.4.120.0110.01016.34
7.4.110.0150.00616.50
7.4.100.0140.00516.36
7.4.90.0070.01016.41
7.4.80.0120.00419.39
7.4.70.0070.01016.48
7.4.60.0100.00616.48
7.4.50.0000.00916.41
7.4.40.0060.01216.52
7.4.30.0040.01316.55
7.4.00.0050.01214.98
7.3.330.0050.00012.96
7.3.320.0140.00013.05
7.3.310.0040.00416.20
7.3.300.0030.00316.14
7.3.290.0090.00816.12
7.3.280.0020.01316.15
7.3.270.0100.01317.40
7.3.260.0130.01016.37
7.3.250.0090.00916.26
7.3.240.0090.00916.36
7.3.230.0120.00916.39
7.3.210.0090.00916.34
7.3.200.0100.00719.39
7.3.190.0100.00716.19
7.3.180.0130.00616.31
7.3.170.0060.01016.34
7.3.160.0060.01016.26
7.3.120.0060.00914.79
7.3.110.0070.01114.76
7.3.100.0120.00614.92
7.3.90.0030.01314.43
7.3.80.0070.00714.63
7.3.70.0070.00714.66
7.3.60.0050.00314.68
7.3.50.0030.01414.85
7.3.40.0030.01314.56
7.3.30.0080.00814.57
7.3.20.0080.00316.30
7.3.10.0140.00016.53
7.3.00.0060.00316.64
7.2.330.0090.00916.53
7.2.320.0100.01016.52
7.2.310.0100.00616.27
7.2.300.0120.00416.48
7.2.290.0090.00616.41
7.2.250.0140.00414.90
7.2.240.0040.01414.81
7.2.230.0000.01714.79
7.2.220.0030.00614.94
7.2.210.0060.01015.03
7.2.200.0040.01114.93
7.2.190.0070.00414.83
7.2.180.0060.00914.66
7.2.170.0100.00314.73
7.2.160.0000.01314.62
7.2.150.0030.01416.72
7.2.140.0130.00316.70
7.2.130.0070.00416.77
7.2.120.0100.00716.84
7.2.110.0100.01216.63
7.2.100.0070.00716.80
7.2.90.0060.00917.00
7.2.80.0040.01116.83
7.2.70.0060.00617.02
7.2.60.0020.01216.73
7.2.50.0040.00716.81
7.2.40.0030.01416.97
7.2.30.0060.00616.79
7.2.20.0070.00316.67
7.2.10.0070.00716.83
7.2.00.0040.00918.10
7.1.330.0040.00815.63
7.1.320.0030.00915.66
7.1.310.0070.00715.75
7.1.300.0060.00915.73
7.1.290.0140.00015.70
7.1.280.0060.00615.56
7.1.270.0030.00915.65
7.1.260.0000.01015.80
7.1.250.0060.00315.78
7.1.240.0090.00915.62
7.1.230.0100.00615.34
7.1.220.0040.00715.79
7.1.210.0160.00015.83
7.1.200.0030.00715.68
7.1.190.0040.00715.85
7.1.180.0080.00815.84
7.1.170.0000.01515.77
7.1.160.0030.01015.78
7.1.150.0060.00315.77
7.1.140.0030.01215.85
7.1.130.0040.01115.76
7.1.120.0030.01115.73
7.1.110.0080.00615.68
7.1.100.0050.00916.91
7.1.90.0000.01315.75
7.1.80.0030.01315.59
7.1.70.0000.01216.40
7.1.60.0100.00817.61
7.1.50.0030.01416.13
7.1.40.0070.01015.64
7.1.30.0050.00515.59
7.1.20.0030.00615.63
7.1.10.0070.01015.77
7.1.00.0030.04219.00
7.0.330.0070.01015.30
7.0.320.0000.01015.45
7.0.310.0040.01115.32
7.0.300.0060.01015.47
7.0.290.0000.01115.43
7.0.280.0060.00915.22
7.0.270.0060.00315.28
7.0.260.0060.00615.35
7.0.250.0070.00715.05
7.0.240.0060.00615.30
7.0.230.0030.00915.32
7.0.220.0110.00415.08
7.0.210.0080.00815.38
7.0.200.0180.00415.05
7.0.190.0040.01115.34
7.0.180.0100.00015.38
7.0.170.0070.00715.45
7.0.160.0000.01115.44
7.0.150.0040.01115.40
7.0.140.0020.02118.77
7.0.130.0070.00715.46
7.0.120.0060.00615.31
7.0.110.0000.01415.43
7.0.100.0100.00615.20
7.0.90.0060.00615.46
7.0.80.0100.00315.36
7.0.70.0030.00615.35
7.0.60.0030.02317.42
7.0.50.0070.04016.69
7.0.40.0070.02316.79
7.0.30.0220.02316.77
7.0.20.0110.02716.83
7.0.10.0150.02816.83
7.0.00.0030.04216.67
5.6.400.0130.00314.25
5.6.390.0130.00314.43
5.6.380.0040.01114.38
5.6.370.0030.00714.21
5.6.360.0030.00714.38
5.6.350.0100.00014.13
5.6.340.0030.00914.50
5.6.330.0030.00714.32
5.6.320.0060.00914.22
5.6.310.0100.00714.48
5.6.300.0030.00914.31
5.6.290.0100.00014.51
5.6.280.0040.04117.51
5.6.270.0040.01114.22
5.6.260.0070.00714.16
5.6.250.0000.01114.01
5.6.240.0080.00314.04
5.6.230.0030.00914.19
5.6.220.0030.00914.31
5.6.210.0080.04517.56
5.6.200.0060.02016.20
5.6.190.0030.03417.32
5.6.180.0220.04017.41
5.6.170.0130.04017.34
5.6.160.0150.03017.29
5.6.150.0060.02816.14
5.6.140.0050.03716.13
5.6.130.0050.02416.20
5.6.120.0090.02617.54
5.6.110.0110.04017.57
5.6.100.0040.04817.58
5.6.90.0120.03817.59
5.6.80.0030.03517.20
5.6.70.0210.03617.29
5.6.60.0140.00314.25
5.6.50.0030.01314.24
5.6.40.0000.00814.02
5.6.30.0060.00614.20
5.6.20.0100.00314.08
5.6.10.0000.01814.19
5.6.00.0030.01014.19
5.5.380.0060.00613.91
5.5.370.0110.00613.83
5.5.360.0040.00714.07
5.5.350.0110.04317.29
5.5.340.0060.04616.16
5.5.330.0120.03817.25
5.5.320.0130.03517.19
5.5.310.0130.02517.20
5.5.300.0050.02216.16
5.5.290.0070.03715.87
5.5.280.0080.02317.54
5.5.270.0090.04517.32
5.5.260.0050.03517.50
5.5.250.0030.04517.25
5.5.240.0100.03217.19
5.5.230.0030.01013.87
5.5.220.0070.01014.13
5.5.210.0120.00314.18
5.5.200.0040.00714.21
5.5.190.0070.00714.22
5.5.180.0070.00714.23
5.5.170.0050.00514.27
5.5.160.0060.00914.13
5.5.150.0000.01414.03
5.5.140.0000.01513.98
5.5.130.0030.01013.72
5.5.120.0040.00813.97
5.5.110.0060.00313.91
5.5.100.0080.00614.28
5.5.90.0030.00714.27
5.5.80.0070.01013.93
5.5.70.0040.01214.00
5.5.60.0080.00513.87
5.5.50.0050.00513.88
5.5.40.0060.01013.96
5.5.30.0000.01513.85
5.5.20.0050.00514.09
5.5.10.0040.01113.91
5.5.00.0080.00413.99
5.4.450.0130.03515.25
5.4.440.0430.03515.21
5.4.430.0420.02115.01
5.4.420.0370.03015.05
5.4.410.0050.03214.91
5.4.400.0210.03514.73
5.4.390.0150.04114.62
5.4.380.0210.03114.75
5.4.370.0250.02514.88
5.4.360.0280.04014.75
5.4.350.0200.02714.58
5.4.340.0190.02914.84
5.4.330.0000.00610.60
5.4.320.0350.03114.64
5.4.310.0760.02614.75
5.4.300.0220.02914.80
5.4.290.0220.03914.87
5.4.280.0130.03314.57
5.4.270.0230.02514.69
5.4.260.0190.02814.67
5.4.250.0150.03414.53
5.4.240.0210.03414.63
5.4.230.0130.02814.68
5.4.220.0290.02814.59
5.4.210.0180.03114.67
5.4.200.1010.02713.80
5.4.190.0190.03014.64
5.4.180.0250.02514.69
5.4.170.0080.03614.53
5.4.160.0300.03314.66
5.4.150.0130.02714.81
5.4.140.0120.03013.61
5.4.130.0130.03513.55
5.4.120.0070.03213.56
5.4.110.0080.02813.57
5.4.100.0350.02713.54
5.4.90.0230.02613.45
5.4.80.0100.03113.55
5.4.70.0800.03113.47
5.4.60.2930.03513.63
5.4.50.0250.03713.54
5.4.40.1500.02813.59
5.4.30.0230.03113.54
5.4.20.0170.04213.37
5.4.10.0250.03413.44
5.4.00.0280.02713.21
5.3.290.0270.07714.75
5.3.280.0500.06314.57
5.3.270.2900.07014.59
5.3.260.0430.06014.69
5.3.250.0300.05314.63
5.3.240.0230.06314.52
5.3.230.2230.04314.50
5.3.220.0130.05714.53
5.3.210.0500.05314.55
5.3.200.0600.05014.65
5.3.190.0200.06314.65
5.3.180.0270.05714.47
5.3.170.3030.06314.56
5.3.160.0830.05014.63
5.3.150.0370.05314.56
5.3.140.0530.06314.54
5.3.130.0470.07314.53
5.3.120.0470.05014.47
5.3.110.0300.06314.49
5.3.100.0330.05313.98
5.3.90.0430.05014.12
5.3.80.0430.05713.96
5.3.70.0400.04713.99
5.3.60.0330.05014.09
5.3.50.0470.06713.93
5.3.40.0430.05713.85
5.3.30.0470.05013.82
5.3.20.0400.04313.58
5.3.10.0430.05313.73
5.3.00.0430.05713.74
5.2.170.0230.05311.10
5.2.160.0330.05711.19
5.2.150.0430.05011.09
5.2.140.0170.05311.27
5.2.130.0130.05711.25
5.2.120.0230.03711.13
5.2.110.4770.04711.14
5.2.100.0370.05011.16
5.2.90.4030.04711.16
5.2.80.0370.03711.08
5.2.70.0200.04711.14
5.2.60.0300.03711.10
5.2.50.0330.05011.00
5.2.40.0400.04011.03
5.2.30.0300.04710.94
5.2.20.0270.04711.01
5.2.10.0230.04310.95
5.2.00.0270.04310.80
5.1.60.0230.03710.13
5.1.50.0300.04310.10
5.1.40.0200.03710.02
5.1.30.0270.04010.38
5.1.20.0270.03310.36
5.1.10.0330.04310.08
5.1.00.0300.03310.07
5.0.50.0100.0338.59
5.0.40.0100.0378.43
5.0.30.0070.0538.33
5.0.20.0100.0338.23
5.0.10.0170.0338.25
5.0.00.0070.0478.27
4.4.90.0100.0205.88
4.4.80.0200.0205.84
4.4.70.2770.0205.89
4.4.60.0170.0305.90
4.4.50.0200.0205.87
4.4.40.0100.0335.89
4.4.30.0070.0235.89
4.4.20.0130.0205.97
4.4.10.0130.0205.96
4.4.00.0070.0405.85
4.3.110.2700.0175.84
4.3.100.0130.0205.82
4.3.90.0100.0235.80
4.3.80.0170.0335.80
4.3.70.0030.0275.79
4.3.60.0100.0205.86
4.3.50.0070.0275.83
4.3.40.0100.0405.75
4.3.30.0070.0274.66
4.3.20.0000.0304.58
4.3.10.0130.0204.61
4.3.00.0170.0176.87

preferences:
53.2 ms | 400 KiB | 5 Q