3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '_10_1_18_4_9_14_ _'; $letters = str_repeat('A', substr_count($str, '_')); $limit = 100; for ($i = 0; $i < $limit; $i++) { echo interpolate($str, str_split($letters)), PHP_EOL; $letters++; } function interpolate($str, $letters) { while (($pos = strpos($str, '_')) !== false) { $str[$pos] = array_shift($letters); } return $str; }

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)
8.3.60.0060.00918.30
8.3.50.0040.01118.12
8.3.40.0030.01518.67
8.3.30.0030.01318.71
8.3.20.0080.00018.98
8.3.10.0040.00423.40
8.3.00.0040.00420.61
8.2.180.0120.00318.42
8.2.170.0090.00622.96
8.2.160.0130.00322.30
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00319.82
8.2.120.0050.00326.35
8.2.110.0040.00722.07
8.2.100.0040.00717.72
8.2.90.0030.00619.39
8.2.80.0080.00017.97
8.2.70.0040.00417.93
8.2.60.0080.00018.03
8.2.50.0000.00818.10
8.2.40.0040.00419.30
8.2.30.0050.00319.32
8.2.20.0040.00418.23
8.2.10.0040.00418.09
8.2.00.0040.00417.78
8.1.280.0040.01125.92
8.1.270.0060.00323.87
8.1.260.0000.00926.35
8.1.250.0030.00628.09
8.1.240.0050.00522.59
8.1.230.0040.00821.04
8.1.220.0030.00517.79
8.1.210.0060.00318.95
8.1.200.0000.00817.35
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0030.00518.71
8.1.160.0000.00718.89
8.1.150.0000.00718.84
8.1.140.0070.00022.14
8.1.130.0000.00820.05
8.1.120.0040.00417.45
8.1.110.0030.00617.47
8.1.100.0050.00317.36
8.1.90.0040.00417.34
8.1.80.0000.00817.34
8.1.70.0040.00417.31
8.1.60.0000.00817.56
8.1.50.0040.00417.36
8.1.40.0000.00817.54
8.1.30.0000.00817.63
8.1.20.0040.00417.54
8.1.10.0040.00417.49
8.1.00.0030.00517.30
8.0.300.0050.00219.89
8.0.290.0000.00716.75
8.0.280.0030.00518.50
8.0.270.0040.00416.81
8.0.260.0000.00718.45
8.0.250.0030.00416.83
8.0.240.0000.00916.82
8.0.230.0060.00316.81
8.0.220.0070.00316.90
8.0.210.0030.00316.92
8.0.200.0080.00016.88
8.0.190.0000.00816.90
8.0.180.0040.00416.91
8.0.170.0080.00016.91
8.0.160.0000.00716.95
8.0.150.0000.01116.70
8.0.140.0030.00516.80
8.0.130.0030.00313.27
8.0.120.0040.00416.94
8.0.110.0040.00416.89
8.0.100.0000.00716.84
8.0.90.0020.00516.71
8.0.80.0100.00716.88
8.0.70.0040.00416.89
8.0.60.0030.00516.83
8.0.50.0000.00716.72
8.0.30.0070.01117.04
8.0.20.0040.01617.40
8.0.10.0040.00417.04
8.0.00.0100.01016.73
7.4.330.0040.00415.55
7.4.320.0070.00016.58
7.4.300.0000.00616.49
7.4.290.0000.00816.50
7.4.280.0000.00816.57
7.4.270.0040.00416.57
7.4.260.0040.00416.62
7.4.250.0000.00816.41
7.4.240.0040.00416.61
7.4.230.0040.00416.43
7.4.220.0060.00316.40
7.4.210.0050.01116.66
7.4.200.0040.00416.41
7.4.160.0080.00916.56
7.4.140.0090.01217.86
7.4.130.0100.01016.53
7.4.120.0080.01316.48
7.4.110.0130.01416.36
7.4.100.0120.01216.54
7.4.90.0200.00616.50
7.4.80.0140.00419.39
7.4.70.0070.01116.41
7.4.60.0150.01016.53
7.4.50.0130.00216.57
7.4.40.0070.01116.56
7.4.00.0030.01215.02
7.3.330.0030.00313.36
7.3.320.0020.00213.27
7.3.310.0040.00416.32
7.3.300.0000.00916.29
7.3.290.0030.00616.34
7.3.280.0050.01016.21
7.3.260.0120.00916.50
7.3.240.0090.01216.40
7.3.230.0080.01116.61
7.3.210.0190.00616.40
7.3.200.0120.00716.57
7.3.190.0060.01316.33
7.3.180.0070.01016.37
7.3.170.0120.01216.48
7.3.160.0110.00716.61
7.3.120.0080.01014.84
7.3.110.0100.00614.93
7.3.100.0070.00714.57
7.3.90.0040.01014.60
7.3.80.0080.00514.95
7.3.70.0070.00714.68
7.3.60.0090.00514.81
7.3.50.0060.00914.88
7.3.40.0090.00714.75
7.3.30.0070.00814.77
7.3.20.0060.01115.70
7.3.10.0080.01115.63
7.3.00.0070.00815.72
7.2.330.0080.01116.70
7.2.320.0060.01116.70
7.2.310.0060.01016.79
7.2.300.0030.01516.85
7.2.290.0060.01116.69
7.2.250.0130.00815.20
7.2.240.0110.00714.84
7.2.230.0050.01115.07
7.2.220.0110.00415.05
7.2.210.0040.00915.26
7.2.200.0100.00515.17
7.2.190.0060.00614.87
7.2.180.0050.01115.00
7.2.170.0050.01015.19
7.2.160.0070.01315.18
7.2.150.0050.01216.10
7.2.140.0120.00515.95
7.2.130.0090.00715.71
7.2.120.0000.01315.77
7.2.110.0080.01115.44
7.2.100.0200.00815.57
7.2.90.0100.00915.53
7.2.80.0090.01015.63
7.2.70.0110.01115.62
7.2.60.0090.01015.73
7.2.50.0080.00715.62
7.2.40.0150.00615.79
7.2.30.0360.01115.81
7.2.20.0700.00715.73
7.2.10.0920.00915.50
7.2.00.0500.01015.63
7.1.330.0030.01314.81
7.1.320.0200.00914.90
7.1.310.0080.01014.97
7.1.300.0050.01114.87
7.1.290.0040.01414.95
7.1.280.0070.00714.79
7.1.270.0060.00914.83
7.1.260.0060.00714.78
7.1.250.0060.00914.79
7.1.240.0090.00513.94
7.1.230.0180.00713.77
7.1.220.0080.01013.73
7.1.210.0880.00813.91
7.1.200.0100.00813.87
7.1.190.0150.00213.95
7.1.180.0070.00913.77
7.1.170.0550.00913.87
7.1.160.0110.00513.94
7.1.150.0080.00913.83
7.1.140.1060.00713.87
7.1.130.0870.01113.95
7.1.120.0650.00613.86
7.1.110.1110.00914.04
7.1.100.0590.01213.84
7.1.90.0680.00713.81
7.1.80.0860.00513.57
7.1.70.0770.00513.81
7.1.60.0930.01022.80
7.1.50.1750.00822.64
7.1.40.1470.00522.87
7.1.30.1820.01122.67
7.1.20.1160.00822.93
7.1.10.0850.01313.85
7.1.00.0700.00513.74
7.0.330.0030.01013.58
5.6.400.0040.01114.02
5.6.390.0060.00914.37
5.6.380.0070.00814.25

preferences:
71.27 ms | 400 KiB | 5 Q