3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_strpos('abc', 'a', -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)
8.3.60.0120.00616.49
8.3.50.0180.00417.90
8.3.40.0110.00418.73
8.3.30.0150.00618.59
8.3.20.0000.00920.22
8.3.10.0030.00523.60
8.3.00.0040.00422.25
8.2.180.0140.00325.92
8.2.170.0060.01118.79
8.2.160.0030.01319.34
8.2.150.0060.00324.18
8.2.140.0050.00524.66
8.2.130.0040.00421.99
8.2.120.0000.00726.35
8.2.110.0110.00721.10
8.2.100.0080.00417.59
8.2.90.0040.00418.95
8.2.80.0050.00317.97
8.2.70.0080.00017.38
8.2.60.0060.00317.80
8.2.50.0030.00718.10
8.2.40.0000.00720.47
8.2.30.0000.00719.00
8.2.20.0040.00417.57
8.2.10.0030.00517.95
8.2.00.0000.00717.47
8.1.280.0040.01125.92
8.1.270.0000.00824.02
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0040.00423.85
8.1.230.0070.00419.00
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00817.35
8.1.190.0000.00817.10
8.1.180.0030.00518.10
8.1.170.0000.00818.52
8.1.160.0040.00422.06
8.1.150.0040.00418.71
8.1.140.0000.00919.45
8.1.130.0030.00317.57
8.1.120.0080.00017.24
8.1.110.0000.00717.22
8.1.100.0030.00517.29
8.1.90.0000.00717.34
8.1.80.0040.00417.32
8.1.70.0000.00717.29
8.1.60.0050.00317.40
8.1.50.0060.00317.46
8.1.40.0110.00017.39
8.1.30.0040.00417.55
8.1.20.0040.00417.53
8.1.10.0040.00417.48
8.1.00.0050.00317.37
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0090.00018.39
8.0.270.0000.00716.80
8.0.260.0030.00317.31
8.0.250.0070.00016.90
8.0.240.0000.00716.90
8.0.230.0040.00416.93
8.0.220.0000.00716.73
8.0.210.0030.00316.84
8.0.200.0000.00616.84
8.0.190.0040.00416.88
8.0.180.0020.00516.69
8.0.170.0030.00516.84
8.0.160.0000.00816.81
8.0.150.0060.00416.87
8.0.140.0030.00516.80
8.0.130.0000.00613.24
8.0.120.0040.00416.71
8.0.110.0070.00016.77
8.0.100.0080.00016.67
8.0.90.0040.00416.72
8.0.80.0070.00716.84
8.0.70.0040.00416.77
8.0.60.0040.00416.91
8.0.50.0070.00016.67
8.0.30.0080.01016.88
8.0.20.0050.01517.40
8.0.10.0030.00316.91
8.0.00.0140.00316.43
7.4.330.0000.00615.08
7.4.320.0000.00616.45
7.4.300.0000.00616.48
7.4.290.0000.00716.29
7.4.280.0050.00216.46
7.4.270.0030.00316.32
7.4.260.0030.00316.43
7.4.250.0030.00716.46
7.4.240.0030.00516.47
7.4.230.0030.00316.50
7.4.220.0130.00616.43
7.4.210.0060.00916.38
7.4.200.0000.00716.49
7.4.160.0080.00816.35
7.4.150.0160.00917.40
7.4.140.0160.00517.86
7.4.130.0130.00316.38
7.4.120.0110.00516.36
7.4.110.0130.00416.42
7.4.100.0160.00316.43
7.4.90.0030.01516.27
7.4.80.0250.01919.39
7.4.70.0160.00016.25
7.4.60.0070.01016.39
7.4.50.0040.01116.21
7.4.40.0070.01016.32
7.4.30.0120.00416.07
7.4.10.0100.00714.89
7.4.00.0090.01014.85
7.3.330.0050.00213.07
7.3.320.0000.00612.97
7.3.310.0060.00016.10
7.3.300.0000.00616.15
7.3.290.0060.00916.09
7.3.280.0090.00816.13
7.3.270.0080.00817.40
7.3.260.0100.01116.33
7.3.250.0080.00916.22
7.3.240.0130.00816.27
7.3.230.0100.00716.41
7.3.210.0090.00916.17
7.3.200.0070.01016.42
7.3.190.0140.00316.04
7.3.180.0130.00316.39
7.3.170.0160.00316.13
7.3.160.0060.01016.49
7.3.130.0090.00914.76
7.3.120.0080.00814.62
7.3.110.0100.00614.67
7.3.100.0060.00714.57
7.3.90.0070.00814.69
7.3.80.0050.00814.86
7.3.70.0050.00814.66
7.3.60.0040.01114.62
7.3.50.0100.00414.61
7.3.40.0060.00914.54
7.3.30.0060.00714.68
7.3.20.0050.00616.46
7.3.10.0040.01016.64
7.3.00.0080.00516.51
7.2.330.0060.01016.25
7.2.320.0130.00316.45
7.2.310.0090.01216.32
7.2.300.0090.01216.29
7.2.290.0030.01316.36
7.2.260.0070.00714.94
7.2.250.0070.01014.62
7.2.240.0110.00514.73
7.2.230.0040.01214.84
7.2.220.0090.00814.84
7.2.210.0070.00814.86
7.2.200.0030.00914.75
7.2.190.0030.01014.76
7.2.180.0090.00714.79
7.2.170.0020.01014.80
7.2.160.0020.01314.83
7.2.150.0060.01016.54
7.2.140.0070.00916.82
7.2.130.0050.00716.82
7.2.120.0050.00816.78
7.2.110.0040.00816.63
7.2.100.0030.01316.59
7.2.90.0080.00816.74
7.2.80.0050.00916.58
7.2.70.0060.01016.84
7.2.60.0060.01016.70
7.2.50.0050.00816.77
7.2.40.0060.00716.58
7.2.30.0090.00516.65
7.2.20.0070.00416.67
7.2.10.0030.01216.56
7.2.00.0050.00717.15
7.1.330.0050.00715.61
7.1.320.0050.00715.59
7.1.310.0050.00815.79
7.1.300.0030.00915.62
7.1.290.0110.00215.67
7.1.280.0020.01015.55
7.1.270.0040.01015.75
7.1.260.0060.00815.68
7.1.250.0020.01115.63
7.1.240.0040.00815.73
7.1.230.0030.01015.76
7.1.220.0030.00915.59
7.1.210.0060.00615.36
7.1.200.0000.01515.72
7.1.190.0070.00415.70
7.1.180.0030.01415.35
7.1.170.0060.00615.80
7.1.160.0070.01115.39
7.1.150.0070.00415.63
7.1.140.0040.01115.82
7.1.130.0030.01115.61
7.1.120.0070.00715.51
7.1.110.0060.00315.76
7.1.100.0050.00717.02
7.1.90.0140.00315.55
7.1.80.0100.00315.77
7.1.70.0060.00916.41
7.1.60.0090.00216.41
7.1.50.0070.00516.23
7.1.40.0030.01315.64
7.1.30.0000.00915.50
7.1.20.0080.00415.52
7.1.10.0090.00615.52
7.1.00.0080.03819.06
7.0.330.0110.00415.20
7.0.320.0060.00615.35
7.0.310.0030.00715.20
7.0.300.0000.00815.10
7.0.290.0150.00015.27
7.0.280.0120.00015.25
7.0.270.0000.00915.32
7.0.260.0050.00515.29
7.0.250.0040.00815.19
7.0.240.0000.01215.48
7.0.230.0070.00715.04
7.0.220.0070.00715.35
7.0.210.0000.01215.05
7.0.200.0050.00514.91
7.0.190.0090.00915.10
7.0.180.0070.01115.07
7.0.170.0070.01115.16
7.0.160.0070.00715.44
7.0.150.0040.01114.99
7.0.140.0040.00815.27
7.0.130.0060.00615.21
7.0.120.0060.00615.39
7.0.110.0040.00815.26
7.0.100.0280.02817.66
7.0.90.0200.03217.69
7.0.80.0250.03017.74
7.0.70.0170.03617.67
7.0.60.0180.03317.63
7.0.50.0180.03217.84
7.0.40.0170.03716.83
7.0.30.0270.03016.68
7.0.20.0220.03216.86
7.0.10.0180.03516.81
7.0.00.0250.03216.85
5.6.400.0030.01314.21
5.6.390.0060.00914.07
5.6.380.0070.00714.21
5.6.370.0040.00814.02
5.6.360.0000.00814.43
5.6.350.0030.01214.36
5.6.340.0000.01214.37
5.6.330.0030.00614.23
5.6.320.0040.00714.37
5.6.310.0000.01114.13
5.6.300.0070.00714.08
5.6.290.0000.01113.95
5.6.280.0040.01214.27
5.6.270.0040.00814.24
5.6.260.0030.00614.05
5.6.250.0050.03917.51
5.6.240.0120.02817.27
5.6.230.0100.03317.26
5.6.220.0060.03317.49
5.6.210.0080.03217.56
5.6.200.0100.03817.75
5.6.190.0060.03117.65
5.6.180.0070.03217.59
5.6.170.0120.03017.61
5.6.160.0080.03017.57
5.6.150.0100.03717.46
5.6.140.0130.02917.68
5.6.130.0070.03517.60
5.6.120.0080.03417.73
5.6.110.0060.03617.62
5.6.100.0150.02817.55
5.6.90.0110.03017.63
5.6.80.0120.03117.39
5.6.70.0090.03017.35
5.6.60.0070.03117.24
5.6.50.0080.03017.29
5.6.40.0070.03017.37
5.6.30.0070.03217.31
5.6.20.0110.02817.30
5.6.10.0060.03317.28
5.6.00.0110.03017.22

preferences:
64.49 ms | 400 KiB | 5 Q