3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "I need to replace {X} and {Y}"; $X = 'something'; $Y = 'something else'; function parse($string) { $v = sprintf('%s%s%s%s%s%s%s', chr(71), chr(76), chr(79), chr(66), chr(65), chr(76), chr(83)); preg_match_all('/\{(.*?)\}/', $string, $matches); foreach ($matches[1] as $value) { $string = str_replace('{'.$value.'}', $v[${$value}], $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)
8.3.40.0110.00418.84
8.3.30.0100.00318.92
8.3.20.0040.00420.29
8.3.10.0080.00022.23
8.3.00.0040.00422.52
8.2.170.0110.00422.96
8.2.160.0110.00420.71
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00017.63
8.2.110.0100.00022.08
8.2.100.0100.00017.78
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0030.00717.50
8.2.60.0080.00017.92
8.2.50.0080.00018.07
8.2.40.0040.00418.09
8.2.30.0040.00417.88
8.2.20.0000.00817.64
8.2.10.0040.00417.63
8.2.00.0020.00517.63
8.1.270.0050.00322.10
8.1.260.0080.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00623.97
8.1.230.0110.00018.98
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0090.00017.11
8.1.190.0030.00717.41
8.1.180.0040.00418.10
8.1.170.0000.00918.61
8.1.160.0000.00721.95
8.1.150.0040.00418.58
8.1.140.0000.00717.39
8.1.130.0040.00417.88
8.1.120.0060.00317.39
8.1.110.0000.00717.30
8.1.100.0000.00717.38
8.1.90.0050.00217.38
8.1.80.0000.00817.46
8.1.70.0030.00317.38
8.1.60.0030.00617.53
8.1.50.0030.00517.44
8.1.40.0050.00317.43
8.1.30.0040.00417.58
8.1.20.0090.00017.50
8.1.10.0040.00417.32
8.1.00.0040.00417.36
8.0.300.0040.00418.77
8.0.290.0000.00717.15
8.0.280.0030.00318.40
8.0.270.0030.00317.20
8.0.260.0060.00016.82
8.0.250.0030.00316.90
8.0.240.0080.00016.93
8.0.230.0000.00816.92
8.0.220.0000.00716.81
8.0.210.0040.00416.85
8.0.200.0070.00016.86
8.0.190.0080.00016.79
8.0.180.0000.00716.85
8.0.170.0000.00716.74
8.0.160.0050.00316.87
8.0.150.0070.00016.75
8.0.140.0000.00716.64
8.0.130.0030.00313.34
8.0.120.0000.00816.69
8.0.110.0020.00516.80
8.0.100.0040.00416.79
8.0.90.0030.00516.64
8.0.80.0000.01516.84
8.0.70.0070.00016.70
8.0.60.0040.00416.67
8.0.50.0000.00716.63
8.0.30.0140.00816.79
8.0.20.0100.00717.40
8.0.10.0040.00416.77
8.0.00.0110.00616.66
7.4.330.0050.00015.04
7.4.320.0000.00616.55
7.4.300.0000.00716.45
7.4.290.0030.00316.46
7.4.280.0070.00016.45
7.4.270.0030.00316.50
7.4.260.0030.00316.41
7.4.250.0040.00416.51
7.4.240.0040.00316.41
7.4.230.0000.00716.38
7.4.220.0100.01016.50
7.4.210.0060.00816.54
7.4.200.0000.00716.47
7.4.190.0020.00516.44
7.4.160.0100.00616.30
7.4.150.0100.01417.40
7.4.140.0080.00917.86
7.4.130.0080.01016.42
7.4.120.0070.01016.34
7.4.110.0120.01216.60
7.4.100.0100.00716.47
7.4.90.0110.00616.28
7.4.80.0100.01019.39
7.4.70.0060.01016.46
7.4.60.0090.00616.52
7.4.50.0030.00516.18
7.4.40.0030.00922.77
7.4.30.0060.00916.37
7.4.00.0060.01214.74
7.3.330.0000.00613.00
7.3.320.0020.00213.13
7.3.310.0070.00016.08
7.3.300.0030.00316.19
7.3.290.0110.00416.12
7.3.280.0110.00416.19
7.3.270.0130.00817.40
7.3.260.0120.01216.20
7.3.250.0090.01116.23
7.3.240.0160.00616.38
7.3.230.0080.00816.39
7.3.210.0100.00716.19
7.3.200.0070.01519.39
7.3.190.0120.00616.41
7.3.180.0150.00616.46
7.3.170.0040.01416.43
7.3.160.0070.01016.27
7.3.120.0070.00714.78
7.3.10.0030.01016.62
7.3.00.0040.01216.61
7.2.330.0070.01116.36
7.2.320.0060.01816.43
7.2.310.0080.01616.55
7.2.300.0120.00616.49
7.2.290.0030.01416.11
7.2.130.0040.01416.55
7.2.120.0040.01116.59
7.2.110.0400.00516.55
7.2.100.0070.00716.67
7.2.90.0090.00316.87
7.2.80.0070.00716.54
7.2.70.0070.00316.89
7.2.60.0030.01016.86
7.2.50.0030.00916.74
7.2.40.0040.01116.72
7.2.30.0070.00716.84
7.2.20.0110.00316.50
7.2.10.0030.01016.70
7.2.00.0020.01418.03
7.1.250.0060.00315.65
7.1.240.0040.00415.76
7.1.230.0080.00815.50
7.1.220.0040.00715.64
7.1.210.0100.00315.58
7.1.200.0000.01515.53
7.1.190.0040.00815.72
7.1.180.0030.01015.34
7.1.170.0070.00715.45
7.1.160.0120.00315.54
7.1.150.0040.01115.57
7.1.140.0070.01015.55
7.1.130.0030.01015.80
7.1.120.0040.01415.61
7.1.110.0070.00715.46
7.1.100.0110.00416.67
7.1.90.0110.00015.63
7.1.80.0060.00315.67
7.1.70.0060.00816.08
7.1.60.0110.00516.55
7.1.50.0050.00816.13
7.1.40.0090.00315.46
7.1.30.0100.00715.66
7.1.20.0060.00915.71
7.1.10.0090.00615.51
7.1.00.0050.04018.88
7.0.330.0030.01015.15
7.0.320.0120.00315.32
7.0.310.0060.00314.91
7.0.300.0120.00015.45
7.0.290.0070.00715.34
7.0.280.0030.01015.43
7.0.270.0080.00015.32
7.0.260.0070.01015.45
7.0.250.0100.00315.09
7.0.240.0060.00915.10
7.0.230.0120.00315.20
7.0.220.0000.01415.25
7.0.210.0000.00915.14
7.0.200.0070.00315.88
7.0.190.0070.00715.39
7.0.180.0030.01015.07
7.0.170.0120.00315.40
7.0.160.0000.01315.23
7.0.150.0040.01115.07
7.0.140.0030.04018.71
7.0.130.0100.00315.30
7.0.120.0060.00315.02
7.0.110.0090.00315.45
7.0.100.0050.00515.30
7.0.90.0030.00615.35
7.0.80.0050.00315.24
7.0.70.0040.01115.44
7.0.60.0060.03617.71
7.0.50.0030.02516.62
7.0.40.0100.03316.70
7.0.30.0190.04216.83
7.0.20.0170.03716.67
7.0.10.0200.04216.81
7.0.00.0050.02216.62
5.6.380.0090.00613.91
5.6.370.0070.00713.97
5.6.360.0040.00414.44
5.6.350.0070.00714.35
5.6.340.0040.00414.18
5.6.330.0110.00414.05
5.6.320.0050.00514.36
5.6.310.0000.01014.29
5.6.300.0030.01014.44
5.6.290.0060.00614.05
5.6.280.0050.04017.57
5.6.270.0030.01414.59
5.6.260.0070.00814.11
5.6.250.0040.00814.43
5.6.240.0090.00913.90
5.6.230.0150.00014.39
5.6.220.0030.00614.11
5.6.210.0100.04117.49
5.6.200.0110.03716.20
5.6.190.0030.02517.47
5.6.180.1710.02617.21
5.6.170.0180.03717.22
5.6.160.0020.02517.32
5.6.150.0110.02816.29
5.6.140.0030.04716.15
5.6.130.0030.04016.13
5.6.120.0070.03717.58
5.6.110.0080.03417.61
5.6.100.0080.04517.59
5.6.90.0070.04717.72
5.6.80.0070.03917.19
5.6.70.0160.03917.20
5.6.60.0060.00614.22
5.6.50.0000.01413.88
5.6.40.0030.00613.91
5.6.30.0030.01314.16
5.6.20.0070.00314.23
5.6.10.0060.00614.13
5.6.00.0000.01014.09
5.5.380.0000.01211.12
5.5.370.0060.00610.96
5.5.360.0090.00311.11
5.5.350.0040.02315.76
5.5.340.0060.04214.55
5.5.330.0020.02315.58
5.5.320.0170.04215.69
5.5.310.0100.03715.65
5.5.300.0070.02514.51
5.5.290.0060.02214.52
5.5.280.0030.02915.96
5.5.270.0030.02715.90
5.5.260.0080.03315.82
5.5.250.0090.02715.92
5.5.240.0070.04015.52
5.5.230.0080.00010.98
5.5.220.0030.00311.05
5.5.210.0040.00410.74
5.5.200.0080.00410.59
5.5.190.0000.01110.73
5.5.180.0030.00610.64
5.5.170.0040.00411.05
5.5.160.0050.00210.80
5.5.150.0040.00710.95
5.5.140.0030.00510.91
5.5.130.0040.00410.84
5.5.120.0000.01010.88
5.5.110.0060.00610.98
5.5.100.0000.01210.71
5.5.90.0030.00610.70
5.5.80.0030.00710.69
5.5.70.0000.00810.81
5.5.60.0000.00810.70
5.5.50.0000.00711.02
5.5.40.0090.00310.73
5.5.30.0000.01211.00
5.5.20.0070.00310.96
5.5.10.0000.01210.57
5.5.00.0040.00410.83
5.4.450.0400.02515.03
5.4.440.0230.02515.21
5.4.430.0030.03615.08
5.4.420.0230.02715.02
5.4.410.0060.03614.95
5.4.400.0080.03314.81
5.4.390.0090.03514.81
5.4.380.0170.02714.72
5.4.370.0080.02714.65
5.4.360.0100.02414.75
5.4.350.0120.03314.67
5.4.340.0170.02514.90
5.4.330.0000.00710.88
5.4.320.0060.01911.78
5.4.310.0040.02211.60
5.4.300.0040.02211.56
5.4.290.0050.02311.79
5.4.280.0060.01811.64
5.4.270.0050.03011.61
5.4.260.0040.02111.60
5.4.250.0070.02811.45
5.4.240.0080.02211.62
5.4.230.0060.02511.61
5.4.220.0020.02611.66
5.4.210.0020.02411.62
5.4.200.0080.01911.66
5.4.190.0050.02111.50
5.4.180.0030.02511.63
5.4.170.0070.03214.77
5.4.160.0040.03114.87
5.4.150.0020.03714.98
5.4.140.0080.02713.54
5.4.130.0120.03013.66
5.4.120.0080.02613.49
5.4.110.0070.03313.67
5.4.100.0020.03613.79
5.4.90.0080.03513.66
5.4.80.0050.03313.61
5.4.70.0050.03613.63
5.4.60.0110.03513.73
5.4.50.0050.03013.77
5.4.40.0080.03513.72
5.4.30.0100.03213.64
5.4.20.0060.02813.67
5.4.10.0100.03713.60
5.4.00.0070.02513.48
5.3.290.0050.02211.64
5.3.280.0040.02511.42
5.3.270.0050.02812.34
5.3.260.0050.02812.64
5.3.250.0120.02312.52
5.3.240.0070.02712.51
5.3.230.0050.04012.48
5.3.220.0050.03012.56
5.3.210.0100.02612.46
5.3.200.0060.02812.58
5.3.190.0070.02712.48
5.3.180.0030.03012.68
5.3.170.0040.03212.67
5.3.160.0090.03712.54
5.3.150.0050.02612.66
5.3.140.0080.03712.50
5.3.130.0000.03912.45
5.3.120.0090.02512.65
5.3.110.0030.03212.60
5.3.100.0080.02812.18
5.3.90.0070.03512.31
5.3.80.0120.02412.27
5.3.70.0100.03212.28
5.3.60.0050.03512.32
5.3.50.0040.03212.09
5.3.40.0050.04112.25
5.3.30.0080.02812.15
5.3.20.0020.03911.97
5.3.10.0050.03812.00
5.3.00.0020.03511.91
5.2.170.0050.03010.34
5.2.160.0080.02810.25
5.2.150.0040.02510.29
5.2.140.0030.03510.41
5.2.130.0080.02010.34
5.2.120.0050.02210.23
5.2.110.0040.02410.19
5.2.100.0030.03110.43
5.2.90.0100.02510.20
5.2.80.0040.02410.18
5.2.70.0030.03310.22
5.2.60.0060.02410.21
5.2.50.0060.02210.31
5.2.40.0030.02310.35
5.2.30.0060.02710.23
5.2.20.0050.02410.20
5.2.10.0050.02210.09
5.2.00.0110.0229.89
5.1.60.0030.0269.33
5.1.50.0030.0279.39
5.1.40.0050.0279.43
5.1.30.0050.0229.36
5.1.20.0020.0219.56
5.1.10.0050.0199.40
5.1.00.0020.0209.45
5.0.50.0020.0188.22
5.0.40.0060.0188.16
5.0.30.0020.0247.99
5.0.20.0030.0188.02
5.0.10.0050.0137.87
5.0.00.0020.0327.97
4.4.90.0000.0157.76
4.4.80.0010.0187.76
4.4.70.0040.0127.76
4.4.60.0050.0107.76
4.4.50.0010.0167.76
4.4.40.0020.0227.76
4.4.30.0030.0167.76
4.4.20.0020.0177.76
4.4.10.0000.0157.76
4.4.00.0000.0277.76
4.3.110.0050.0107.76
4.3.100.0030.0117.76
4.3.90.0020.0157.76
4.3.80.0030.0237.76
4.3.70.0020.0177.76
4.3.60.0030.0167.76
4.3.50.0030.0177.76
4.3.40.0000.0267.76
4.3.30.0020.0157.76
4.3.20.0050.0117.76
4.3.10.0030.0117.76
4.3.00.0020.0136.07

preferences:
42.24 ms | 400 KiB | 5 Q