3v4l.org

run code in 300+ PHP versions simultaneously
<?php function parseX($string) { $array = is_string($string) ? str_split($string) : $string; if (!in_array("X" , $array)) { return [$string]; } $ret = []; $key = array_search('X' , $array); for($i = 0 ; $i < 10; $i++) { $array[$key] = $i; $ret = array_merge($ret , parseX(implode('' , $array))); } return $ret; } var_dump(parseX("XX"));

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)
8.3.60.0060.00918.43
8.3.50.0080.00816.29
8.3.40.0090.00618.76
8.3.30.0120.00418.53
8.3.20.0030.00618.57
8.3.10.0040.00421.84
8.3.00.0040.00421.95
8.2.180.0160.00618.16
8.2.170.0150.00022.96
8.2.160.0090.00619.29
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00422.13
8.2.120.0080.00026.35
8.2.110.0030.00722.26
8.2.100.0040.00817.84
8.2.90.0000.00818.03
8.2.80.0060.00317.97
8.2.70.0080.00018.03
8.2.60.0000.00818.28
8.2.50.0070.00318.10
8.2.40.0000.00821.17
8.2.30.0070.00020.64
8.2.20.0040.00418.21
8.2.10.0080.00018.20
8.2.00.0000.00819.40
8.1.280.0130.00925.92
8.1.270.0090.00023.95
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0080.00322.59
8.1.230.0040.00822.67
8.1.220.0030.00517.74
8.1.210.0070.00218.95
8.1.200.0040.00417.48
8.1.190.0000.00817.23
8.1.180.0100.00018.10
8.1.170.0030.00618.61
8.1.160.0000.00818.88
8.1.150.0000.00818.79
8.1.140.0040.00420.77
8.1.130.0040.00420.08
8.1.120.0100.00017.52
8.1.110.0040.00417.39
8.1.100.0040.00417.47
8.1.90.0030.00517.37
8.1.80.0000.00817.51
8.1.70.0100.00017.40
8.1.60.0050.00317.49
8.1.50.0000.00817.55
8.1.40.0000.00817.44
8.1.30.0060.00317.73
8.1.20.0070.00317.70
8.1.10.0060.00317.65
8.1.00.0030.00617.43
8.0.300.0000.00719.89
8.0.290.0080.00416.75
8.0.280.0040.00418.48
8.0.270.0070.00017.20
8.0.260.0040.00418.46
8.0.250.0060.00316.97
8.0.240.0000.00816.89
8.0.230.0000.00917.00
8.0.220.0120.00016.92
8.0.210.0040.00416.91
8.0.200.0000.00816.91
8.0.190.0030.00616.93
8.0.180.0040.00416.82
8.0.170.0030.00616.96
8.0.160.0030.00516.81
8.0.150.0040.00416.95
8.0.140.0040.00416.79
8.0.130.0000.00913.43
8.0.120.0000.00916.89
8.0.110.0040.00416.93
8.0.100.0030.00617.03
8.0.90.0040.00416.88
8.0.80.0080.01016.95
8.0.70.0000.00716.88
8.0.60.0000.00816.88
8.0.50.0040.00416.93
8.0.30.0120.00917.11
8.0.20.0140.01117.40
8.0.10.0040.00417.10
8.0.00.0110.01316.84
7.4.330.0000.00515.55
7.4.320.0060.00016.48
7.4.300.0000.00616.59
7.4.290.0040.00416.60
7.4.280.0060.00316.53
7.4.270.0000.00716.64
7.4.260.0040.00416.64
7.4.250.0050.00216.50
7.4.240.0050.00316.54
7.4.230.0000.00716.62
7.4.220.0030.00516.72
7.4.210.0110.00716.66
7.4.200.0000.00816.27
7.4.160.0160.00616.47
7.4.140.0180.00517.86
7.4.130.0070.02016.59
7.4.120.0160.00616.60
7.4.110.0100.01016.63
7.4.100.0130.00716.56
7.4.90.0100.01216.50
7.4.80.0140.00919.39
7.4.70.0090.00916.61
7.4.60.0060.01216.47
7.4.50.0090.00916.52
7.4.40.0090.00916.33
7.4.10.0030.01714.98
7.4.00.0080.01014.81
7.3.330.0050.00013.25
7.3.320.0000.00513.32
7.3.310.0070.00016.41
7.3.300.0000.00716.25
7.3.290.0070.00016.38
7.3.280.0100.00516.41
7.3.260.0140.01216.47
7.3.240.0120.01016.59
7.3.230.0160.00316.40
7.3.210.0120.01216.46
7.3.200.0110.00816.35
7.3.190.0100.00816.45
7.3.180.0110.00816.59
7.3.170.0100.01416.37
7.3.160.0110.00616.63
7.3.130.0070.01314.81
7.3.120.0070.01214.62
7.3.110.0120.00714.83
7.3.100.0080.00614.84
7.3.90.0030.01314.95
7.3.80.0040.00714.70
7.3.70.0120.00314.96
7.3.60.0050.01114.84
7.3.50.0080.00814.91
7.3.40.0070.00714.84
7.3.30.0090.00614.68
7.3.20.0070.00916.69
7.3.10.0060.01016.68
7.3.00.0040.01116.61
7.2.330.0150.00416.51
7.2.320.0090.01616.60
7.2.310.0100.01016.86
7.2.300.0080.01716.47
7.2.290.0070.01016.77
7.2.260.0070.01315.16
7.2.250.0090.00915.04
7.2.240.0060.01115.24
7.2.230.0070.00815.03
7.2.220.0090.00915.29
7.2.210.0050.00814.91
7.2.200.0060.00915.06
7.2.190.0130.00315.04
7.2.180.0100.00414.93
7.2.170.0050.00615.23
7.2.160.0060.01015.06
7.2.150.0060.00916.71
7.2.140.0090.00716.92
7.2.130.0110.00516.86
7.2.120.0120.00716.94
7.2.110.0120.00516.97
7.2.100.0960.00816.11
7.2.90.0970.01016.14
7.2.80.1310.00416.15
7.2.70.0890.01016.25
7.2.60.1380.01016.16
7.2.50.1240.01116.17
7.2.40.0150.00516.31
7.2.30.1010.01116.35
7.2.20.1440.00916.39
7.2.10.1440.00816.34
7.2.00.1280.00716.31
7.1.330.0050.00915.86
7.1.320.0090.00515.95
7.1.310.0100.00515.87
7.1.300.0040.00915.77
7.1.290.0080.00815.78
7.1.280.0100.00515.76
7.1.270.0100.00615.93
7.1.260.0050.01015.82
7.1.250.0070.01015.86
7.1.240.0070.00715.63
7.1.230.0070.00815.75
7.1.220.0020.01415.60
7.1.210.1020.00814.92
7.1.200.1050.00914.99
7.1.190.1130.00614.90
7.1.180.1240.00714.94
7.1.170.1430.01315.20
7.1.160.0820.00814.95
7.1.150.0740.01015.14
7.1.140.1550.01015.09
7.1.130.1250.00815.03
7.1.120.1340.01215.22
7.1.110.1140.00815.08
7.1.100.1020.00915.11
7.1.90.1480.00715.25
7.1.80.1660.01015.30
7.1.70.1940.00914.94
7.1.60.1130.01321.08
7.1.50.1440.01621.15
7.1.40.1470.00721.13
7.1.30.1510.00820.99
7.1.20.1710.00921.18
7.1.10.1890.00614.99
7.1.00.1410.01015.19
7.0.330.0050.01015.39
7.0.320.0020.01315.45
7.0.310.0070.00815.26
7.0.300.0030.01015.45
7.0.290.0060.00515.37
7.0.280.0140.00015.42
7.0.270.0050.00815.60
7.0.260.0060.00915.39
7.0.250.0050.01215.57
7.0.240.0050.01015.59
7.0.230.0070.00715.24
7.0.220.0100.00515.33
7.0.210.0030.01215.32
7.0.200.0050.01115.50
7.0.190.0050.00615.37
7.0.180.0030.00815.45
7.0.170.0080.00715.44
7.0.160.0040.00915.49
7.0.150.0090.00515.41
7.0.140.0030.00915.37
7.0.130.0060.00815.56
7.0.120.0040.01115.58
7.0.110.0030.00815.43
7.0.100.0110.00515.51
7.0.90.0030.01015.42
7.0.80.0070.00315.32
7.0.70.0130.00215.22
7.0.60.0000.01315.48
7.0.50.0090.00815.43
7.0.40.0070.00713.41
7.0.30.0050.00913.51
7.0.20.0020.01213.55
7.0.10.0100.00513.52
7.0.00.0050.01113.52
5.6.400.0050.01114.57
5.6.390.0030.01414.59
5.6.380.0090.00514.51
5.6.370.0060.00814.70
5.6.360.0100.00614.34
5.6.350.0050.00814.14
5.6.340.0050.01114.58
5.6.330.0080.00814.29
5.6.320.0060.00914.29
5.6.310.0050.01114.34
5.6.300.0040.00914.39
5.6.290.0080.00814.39
5.6.280.0000.01314.51
5.6.270.0070.00414.46
5.6.260.0040.01014.41
5.6.250.0130.00014.48
5.6.240.0040.00814.46
5.6.230.0030.01014.35
5.6.220.0080.00914.30
5.6.210.0040.01214.27
5.6.200.0080.00914.49
5.6.190.0050.00914.40
5.6.180.0050.00914.36
5.6.170.0030.01314.47
5.6.160.0070.00814.27
5.6.150.0080.00714.39
5.6.140.0000.01414.52
5.6.130.0070.00914.42
5.6.120.0030.00814.52
5.6.110.0070.00814.37
5.6.100.0100.00514.22
5.6.90.0050.00814.38
5.6.80.0050.00914.22
5.6.70.0080.00814.31
5.6.60.0080.01014.13
5.6.50.0080.00614.28
5.6.40.0120.00614.40
5.6.30.0020.01414.15
5.6.20.0040.01214.38
5.6.10.0060.00514.21
5.6.00.0050.00914.36

preferences:
65.14 ms | 400 KiB | 5 Q