3v4l.org

run code in 300+ PHP versions simultaneously
<?php function sub_string($pattern, $subject) { $n = strlen($subject); $m = strlen($pattern); for ($i = 0; $i < $n-$m; $i++) { $j = 0; while ($j < $m && $subject[$i+$j] == $pattern[$j]) { $j++; } if ($j == $m){ return 1; }else{ return 0; } } return -1; } echo sub_string("sadasda", "damn you");

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)
8.3.40.0080.00818.85
8.3.30.0120.00318.44
8.3.20.0040.00419.35
8.3.10.0090.00023.46
8.3.00.0000.00820.58
8.2.170.0110.00422.96
8.2.160.0070.00722.08
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.00018.06
8.2.120.0000.00926.35
8.2.110.0040.00719.45
8.2.100.0130.00017.78
8.2.90.0040.00417.75
8.2.80.0050.00317.97
8.2.70.0040.00417.91
8.2.60.0040.00418.16
8.2.50.0000.00818.10
8.2.40.0040.00419.39
8.2.30.0040.00419.30
8.2.20.0000.00718.23
8.2.10.0000.00818.13
8.2.00.0030.00617.61
8.1.270.0050.00519.04
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00022.09
8.1.230.0070.00319.08
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0080.00018.57
8.1.160.0000.00718.89
8.1.150.0050.00218.93
8.1.140.0030.00322.11
8.1.130.0000.00720.26
8.1.120.0000.00717.47
8.1.110.0050.00217.35
8.1.100.0040.00417.47
8.1.90.0040.00417.45
8.1.80.0080.00017.48
8.1.70.0030.00317.44
8.1.60.0040.00417.46
8.1.50.0000.00817.51
8.1.40.0000.00817.41
8.1.30.0000.00817.65
8.1.20.0070.00017.62
8.1.10.0080.00017.48
8.1.00.0070.00017.47
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0070.00018.38
8.0.270.0070.00017.32
8.0.260.0030.00318.34
8.0.250.0000.00716.95
8.0.240.0030.00516.88
8.0.230.0030.00316.98
8.0.220.0050.00616.93
8.0.210.0000.00716.77
8.0.200.0000.00716.99
8.0.190.0040.00417.00
8.0.180.0050.00316.88
8.0.170.0060.00316.92
8.0.160.0040.00416.79
8.0.150.0040.00416.87
8.0.140.0040.00416.74
8.0.130.0000.00513.35
8.0.120.0070.00316.76
8.0.110.0070.00016.79
8.0.100.0040.00416.67
8.0.90.0080.00016.93
8.0.80.0090.00916.82
8.0.70.0080.00016.86
8.0.60.0050.00216.79
8.0.50.0070.00016.90
8.0.30.0030.01617.28
8.0.20.0060.01217.45
8.0.10.0040.00416.96
8.0.00.0150.00716.91
7.4.330.0060.00015.55
7.4.320.0060.00016.49
7.4.300.0030.00316.45
7.4.290.0030.00316.39
7.4.280.0040.00416.58
7.4.270.0030.00316.58
7.4.260.0000.00716.60
7.4.250.0030.00516.47
7.4.240.0000.00716.50
7.4.230.0070.00016.63
7.4.220.0030.00516.58
7.4.210.0090.00616.51
7.4.200.0070.00016.43
7.4.160.0100.00816.52
7.4.140.0100.00817.86
7.4.130.0080.00816.64
7.4.120.0100.00816.50
7.4.110.0050.01316.57
7.4.100.0030.01516.30
7.4.90.0120.01216.50
7.4.80.0060.01619.39
7.4.70.0070.01316.57
7.4.60.0060.00916.47
7.4.50.0000.01416.51
7.4.40.0060.00916.63
7.4.10.0030.01315.20
7.4.00.0060.01114.95
7.3.330.0020.00213.38
7.3.320.0050.00013.19
7.3.310.0040.00416.46
7.3.300.0030.00316.21
7.3.290.0030.00316.35
7.3.280.0090.00616.37
7.3.260.0120.00516.47
7.3.240.0110.00616.47
7.3.230.0130.00916.47
7.3.210.0090.00916.43
7.3.200.0140.00316.70
7.3.190.0130.00316.59
7.3.180.0140.00916.47
7.3.170.0100.01316.48
7.3.160.0120.02916.53
7.3.130.0030.01215.09
7.3.120.0030.01314.67
7.3.110.0080.00614.69
7.3.100.0060.00814.82
7.3.90.0070.00714.87
7.3.80.0090.00614.83
7.3.70.0060.00814.87
7.3.60.0080.00814.93
7.3.50.0070.00614.66
7.3.40.0040.00914.91
7.3.30.0070.00514.82
7.3.20.0030.01016.62
7.3.10.0080.00816.73
7.3.00.0100.00616.54
7.2.330.0150.00316.82
7.2.320.0060.01716.46
7.2.310.0100.00616.51
7.2.300.0040.01316.81
7.2.290.0120.00516.74
7.2.260.0040.01515.08
7.2.250.0070.01015.16
7.2.240.0030.01014.78
7.2.230.0050.00715.13
7.2.220.0040.00715.11
7.2.210.0080.00615.02
7.2.200.0070.00614.94
7.2.190.0030.01014.98
7.2.180.0020.01115.09
7.2.170.0040.01015.03
7.2.160.0070.00615.01
7.2.150.0030.01116.84
7.2.140.0030.01016.91
7.2.130.0070.00716.99
7.2.120.0080.00516.78
7.2.110.0060.01016.31
7.2.100.0110.00816.27
7.2.90.0090.00716.43
7.2.80.0070.00816.25
7.2.70.0110.00716.48
7.2.60.0660.00516.38
7.2.50.0490.00916.26
7.2.40.0490.01016.45
7.2.30.0070.00616.30
7.2.20.0360.00916.25
7.2.10.0310.00616.31
7.2.00.0320.00816.39
7.1.330.0030.01015.88
7.1.320.0040.01015.86
7.1.310.0070.00615.89
7.1.300.0040.00815.83
7.1.290.0060.00615.84
7.1.280.0060.00515.84
7.1.270.0070.00615.55
7.1.260.0040.01015.93
7.1.250.0080.00615.77
7.1.240.0080.00315.68
7.1.230.0150.00614.90
7.1.220.0110.00814.96
7.1.210.0080.00814.67
7.1.200.0060.00814.87
7.1.190.0080.00714.57
7.1.180.0960.00514.76
7.1.170.0720.00514.80
7.1.160.1000.00714.66
7.1.150.0890.00514.57
7.1.140.0670.00714.69
7.1.130.0570.00814.81
7.1.120.0600.00814.78
7.1.110.0490.00714.70
7.1.100.0490.00514.79
7.1.90.0710.00914.92
7.1.80.0550.00514.90
7.1.70.1250.00814.73
7.1.60.0720.00523.83
7.1.50.0770.00823.65
7.1.40.0220.01023.75
7.1.30.0260.00323.55
7.1.20.0930.01023.71
7.1.10.1080.01114.59
7.1.00.0590.00314.93
7.0.330.0060.00615.39
7.0.320.0000.00815.29
7.0.310.0040.01115.48
7.0.300.0030.00715.43
7.0.290.0000.01315.57
7.0.280.0030.00615.41
7.0.270.0070.00715.39
7.0.260.0070.00415.43
7.0.250.0060.00615.44
7.0.240.0070.00715.25
7.0.230.0100.00715.43
7.0.220.0100.00315.46
7.0.210.0040.00715.46
7.0.200.0060.00615.45
7.0.190.0070.00415.46
7.0.180.0070.00415.52
7.0.170.0070.00415.53
7.0.160.0000.00915.10
7.0.150.0000.01715.56
7.0.140.0030.00515.50
7.0.130.0040.00415.64
7.0.120.0050.00815.58
7.0.110.0000.01315.56
7.0.100.0090.00315.54
7.0.90.0060.01015.65
7.0.80.0100.00315.46
7.0.70.0090.00615.40
7.0.60.0060.00315.30
7.0.50.0000.00915.50
7.0.40.0080.00813.45
7.0.30.0070.00713.23
7.0.20.0070.01113.44
7.0.10.0100.00313.62
7.0.00.0100.00313.48
5.6.400.0090.00314.55
5.6.390.0000.01314.35
5.6.380.0020.01214.37
5.6.370.0110.00414.57
5.6.360.0060.00314.29
5.6.350.0070.00714.65
5.6.340.0060.00614.64
5.6.330.0070.00714.59
5.6.320.0060.00614.36
5.6.310.0040.00714.39
5.6.300.0110.00414.71
5.6.290.0090.00614.50
5.6.280.0090.00614.40
5.6.270.0060.00314.36
5.6.260.0000.01014.37
5.6.250.0000.01514.21
5.6.240.0090.00914.66
5.6.230.0030.00814.46
5.6.220.0100.00714.21
5.6.210.0060.00614.22
5.6.200.0120.00014.59
5.6.190.0040.00814.08
5.6.180.0120.00614.26
5.6.170.0100.01014.44
5.6.160.0070.00714.54
5.6.150.0060.00314.40
5.6.140.0060.00914.59
5.6.130.0040.00914.36
5.6.120.0070.00714.60
5.6.110.0060.00614.07
5.6.100.0100.00314.38
5.6.90.0140.00014.30
5.6.80.0150.00014.36
5.6.70.0040.00414.05
5.6.60.0040.00414.07
5.6.50.0040.00814.14
5.6.40.0040.01214.06
5.6.30.0080.00414.27
5.6.20.0030.01414.38
5.6.10.0070.00714.34
5.6.00.0090.00914.28

preferences:
62.18 ms | 400 KiB | 5 Q