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) { $v = sprintf('%s%s%s%s%s%s%s', chr(71), chr(76), chr(79), chr(66), chr(65), chr(76), chr(83)); var_dump($v); return; preg_match_all('/\{(.*?)\}/', $string, $matches); foreach ($matches[1] as $value) { $string = str_replace('{'.$value.'}', ${$value}, $string); } return $string; } echo parse($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)
8.3.40.0120.00318.62
8.3.30.0110.00418.96
8.3.20.0000.00720.13
8.3.10.0080.00022.00
8.3.00.0000.00822.47
8.2.170.0080.00822.96
8.2.160.0070.00719.21
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0000.00826.16
8.2.120.0070.00317.50
8.2.110.0040.00820.41
8.2.100.0080.00419.64
8.2.90.0000.00719.09
8.2.80.0000.00818.04
8.2.70.0040.00417.50
8.2.60.0060.00318.04
8.2.50.0080.00018.07
8.2.40.0050.00319.65
8.2.30.0060.00317.96
8.2.20.0040.00417.58
8.2.10.0040.00417.59
8.2.00.0050.00217.61
8.1.270.0040.00422.16
8.1.260.0090.00026.35
8.1.250.0050.00328.09
8.1.240.0050.00523.78
8.1.230.0050.00518.95
8.1.220.0050.00317.80
8.1.210.0000.00918.77
8.1.200.0030.00617.25
8.1.190.0000.00717.29
8.1.180.0040.00418.54
8.1.170.0050.00318.62
8.1.160.0070.00022.12
8.1.150.0070.00018.65
8.1.140.0000.00717.39
8.1.130.0030.00617.84
8.1.120.0040.00317.43
8.1.110.0040.00417.33
8.1.100.0030.00317.31
8.1.90.0040.00417.34
8.1.80.0000.00717.31
8.1.70.0000.00717.36
8.1.60.0030.00617.49
8.1.50.0040.00417.43
8.1.40.0040.00417.48
8.1.30.0030.00617.63
8.1.20.0090.00017.58
8.1.10.0000.00717.49
8.1.00.0030.00517.47
8.0.300.0080.00018.77
8.0.290.0000.00717.28
8.0.280.0030.00318.38
8.0.270.0070.00017.21
8.0.260.0030.00516.75
8.0.250.0000.00716.84
8.0.240.0040.00416.82
8.0.230.0030.00316.79
8.0.220.0000.00716.83
8.0.210.0000.00716.77
8.0.200.0070.00016.77
8.0.190.0080.00016.95
8.0.180.0040.00416.88
8.0.170.0030.00616.86
8.0.160.0050.00216.77
8.0.150.0000.00716.80
8.0.140.0000.00716.79
8.0.130.0030.00313.29
8.0.120.0000.00716.73
8.0.110.0040.00416.83
8.0.100.0040.00416.64
8.0.90.0000.00816.95
8.0.80.0040.01116.90
8.0.70.0040.00416.89
8.0.60.0040.00416.64
8.0.50.0040.00416.82
8.0.30.0110.00917.22
8.0.20.0090.00917.40
8.0.10.0050.00216.86
8.0.00.0040.01516.84
7.4.330.0000.00615.00
7.4.320.0030.00316.32
7.4.300.0000.00616.62
7.4.290.0070.00016.61
7.4.280.0000.00716.52
7.4.270.0030.00316.52
7.4.260.0040.00416.64
7.4.250.0000.00716.58
7.4.240.0050.00216.45
7.4.230.0060.00316.56
7.4.220.0030.01316.61
7.4.210.0040.01016.58
7.4.200.0040.00416.71
7.4.190.0040.00416.38
7.4.160.0060.01016.73
7.4.150.0130.00317.40
7.4.140.0120.00817.86
7.4.130.0160.00516.49
7.4.120.0120.00716.41
7.4.110.0130.00316.46
7.4.100.0100.00716.61
7.4.90.0030.01416.29
7.4.80.0100.01019.39
7.4.70.0070.01116.30
7.4.60.0070.01116.30
7.4.50.0000.00916.57
7.4.40.0070.01122.77
7.4.30.0070.01016.56
7.4.10.0100.00315.04
7.4.00.0100.00615.01
7.3.330.0000.00513.07
7.3.320.0050.00013.21
7.3.310.0070.00016.09
7.3.300.0030.00316.17
7.3.290.0100.00616.22
7.3.280.0070.01016.26
7.3.270.0060.01117.40
7.3.260.0080.00916.33
7.3.250.0110.00816.42
7.3.240.0140.00316.35
7.3.230.0140.00716.39
7.3.210.0030.01616.35
7.3.200.0080.00819.39
7.3.190.0150.00616.44
7.3.180.0060.01016.62
7.3.170.0100.00716.55
7.3.160.0060.01016.21
7.3.130.0070.01314.76
7.3.120.0100.00614.56
7.3.110.0100.01014.54
7.3.100.0000.01414.42
7.3.90.0060.00814.43
7.3.80.0090.00014.74
7.3.70.0060.00614.82
7.3.60.0030.00714.65
7.3.50.0070.00314.80
7.3.40.0000.01314.90
7.3.30.0110.00414.83
7.3.20.0060.00316.34
7.3.10.0080.00716.58
7.3.00.0050.00616.57
7.2.330.0070.01016.51
7.2.320.0100.00716.40
7.2.310.0100.00716.42
7.2.300.0070.01016.50
7.2.290.0120.00316.63
7.2.260.0110.00714.89
7.2.250.0060.01315.09
7.2.240.0100.00315.12
7.2.230.0060.00614.86
7.2.220.0040.00714.75
7.2.210.0070.00714.92
7.2.200.0040.01515.17
7.2.190.0070.01115.06
7.2.180.0000.01515.06
7.2.170.0060.00614.98
7.2.160.0060.00914.77
7.2.150.0090.00016.91
7.2.140.0030.00716.64
7.2.130.0050.01016.83
7.2.120.0050.00816.56
7.2.110.0090.00616.91
7.2.100.0060.00916.81
7.2.90.0070.00616.90
7.2.80.0040.01216.85
7.2.70.0040.01016.82
7.2.60.0060.00816.73
7.2.50.0090.00616.76
7.2.40.0070.00816.70
7.2.30.0080.00616.71
7.2.20.0060.01016.77
7.2.10.0110.00616.71
7.2.00.0060.01116.75
7.1.330.0000.01415.95
7.1.320.0030.00915.80
7.1.310.0060.00315.70
7.1.300.0040.00715.57
7.1.290.0050.00515.89
7.1.280.0030.00715.66
7.1.270.0060.00615.75
7.1.260.0040.00815.84
7.1.250.0100.00515.72
7.1.240.0030.01115.63
7.1.230.0110.00315.46
7.1.220.0060.01115.65
7.1.210.0130.00515.72
7.1.200.0070.00715.52
7.1.190.0100.00315.49
7.1.180.0090.00615.66
7.1.170.0040.01115.76
7.1.160.0090.00615.62
7.1.150.0080.00615.48
7.1.140.0110.00815.59
7.1.130.0130.00215.66
7.1.120.0090.00715.43
7.1.110.0070.00815.76
7.1.100.0050.01415.49
7.1.90.0120.00815.60
7.1.80.0100.00615.78
7.1.70.0060.00716.00
7.1.60.0080.01117.00
7.1.50.0070.00616.06
7.1.40.0050.01015.68
7.1.30.0120.00515.53
7.1.20.0130.00315.54
7.1.10.0110.00515.65
7.1.00.0100.02917.97
7.0.330.0120.00515.25
7.0.320.0070.00815.16
7.0.310.0060.00815.28
7.0.300.0120.00115.33
7.0.290.0080.00715.23
7.0.280.0120.00515.40
7.0.270.0140.00715.09
7.0.260.0090.01115.26
7.0.250.0110.01015.13
7.0.240.0120.00715.13
7.0.230.0070.00715.09
7.0.220.0080.01015.29
7.0.210.0120.01115.25
7.0.200.0060.01015.76
7.0.190.0130.00715.38
7.0.180.0100.01015.12
7.0.170.0080.01115.40
7.0.160.0160.00515.35
7.0.150.0090.01215.31
7.0.140.0120.02917.56
7.0.130.0070.01115.37
7.0.120.0160.00715.30
7.0.110.0100.01015.15
7.0.100.0110.01215.43
7.0.90.0120.00815.40
7.0.80.0100.00615.00
7.0.70.0150.00615.21
7.0.60.0100.02416.84
7.0.50.0070.03216.22
7.0.40.0120.01815.62
7.0.30.0170.01615.55
7.0.20.0120.03115.42
7.0.10.0070.03415.71
7.0.00.0030.03615.39
5.6.400.0000.01314.58
5.6.390.0030.00914.21
5.6.380.0070.00714.36
5.6.370.0020.01214.35
5.6.360.0040.00714.05
5.6.350.0060.00814.11
5.6.340.0080.00814.24
5.6.330.0020.01313.93
5.6.320.0070.01014.34
5.6.310.0070.00914.40
5.6.300.0090.00513.98
5.6.290.0050.00714.21
5.6.280.0060.03016.40
5.6.270.0050.00813.91
5.6.260.0080.00414.18
5.6.250.0040.01114.13
5.6.240.0000.01014.35
5.6.230.0080.00814.28
5.6.220.0040.01014.43
5.6.210.0020.03716.35
5.6.200.0100.02815.54
5.6.190.0090.03016.32
5.6.180.0170.03016.39
5.6.170.0120.01416.18
5.6.160.0100.02916.22
5.6.150.0050.02115.39
5.6.140.0060.03315.41
5.6.130.0060.03315.48
5.6.120.0090.01916.51
5.6.110.0070.03316.43
5.6.100.0110.02716.44
5.6.90.0080.02916.44
5.6.80.0060.03316.21
5.6.70.1560.01616.36
5.6.60.0030.00814.04
5.6.50.0030.01114.09
5.6.40.0050.00814.23
5.6.30.0050.00614.09
5.6.20.0080.00414.16
5.6.10.0080.00314.19
5.6.00.0040.00913.91
5.5.380.0070.00312.59
5.5.370.0070.00512.51
5.5.360.0050.00712.58
5.5.350.0080.02815.33
5.5.340.0080.02714.45
5.5.330.0010.02315.13
5.5.320.0980.01915.03
5.5.310.0130.02915.31
5.5.300.0070.02114.29
5.5.290.0050.02114.51
5.5.280.0060.01615.26
5.5.270.0030.01815.24
5.5.260.0040.02815.34
5.5.250.0080.02315.18
5.5.240.0060.01214.92
5.5.230.0030.00912.64
5.5.220.0080.00312.44
5.5.210.0030.00812.24
5.5.200.0010.00912.59
5.5.190.0020.00712.47
5.5.180.0070.00512.33
5.5.170.0070.00712.59
5.5.160.0080.00612.24
5.5.150.0060.00312.46
5.5.140.0020.01012.55
5.5.130.0060.00612.46
5.5.120.0060.00612.28
5.5.110.0060.00312.41
5.5.100.0070.00512.48
5.5.90.0020.01012.43
5.5.80.0020.00912.37
5.5.70.0060.00712.38
5.5.60.0060.00712.39
5.5.50.0030.00712.12
5.5.40.0030.00712.35
5.5.30.0060.00712.36
5.5.20.0070.00412.39
5.5.10.0080.00312.34
5.5.00.0100.00312.27
5.4.450.0140.02913.95
5.4.440.0180.02313.79
5.4.430.0190.02213.83
5.4.420.0100.02313.73
5.4.410.0040.02713.77
5.4.400.0450.00813.65
5.4.390.0560.00513.61
5.4.380.0090.02313.56
5.4.370.0320.02013.49
5.4.360.0290.02113.70
5.4.350.0310.02413.43
5.4.340.0310.02613.55
5.4.330.0050.00810.96
5.4.320.0050.01911.49
5.4.310.0040.01811.47
5.4.300.0030.01711.41
5.4.290.0080.01711.35
5.4.280.0040.01811.40
5.4.270.0070.01311.29
5.4.260.0040.01611.34
5.4.250.0040.01911.41
5.4.240.0040.02011.44
5.4.230.0030.02011.40
5.4.220.0090.01511.38
5.4.210.0030.01611.37
5.4.200.0060.01711.40
5.4.190.0030.01711.44
5.4.180.0070.01811.38
5.4.170.0020.03213.55
5.4.160.0070.02213.54
5.4.150.0060.02113.65
5.4.140.0040.02212.84
5.4.130.0080.01812.75
5.4.120.0070.02012.73
5.4.110.0020.02212.83
5.4.100.0030.02612.80
5.4.90.0010.02412.64
5.4.80.0040.01912.85
5.4.70.0040.02212.64
5.4.60.0100.01812.68
5.4.50.0040.02112.67
5.4.40.0060.01812.90
5.4.30.0060.02112.86
5.4.20.0080.01712.76
5.4.10.0040.02412.69
5.4.00.0080.02012.54
5.3.290.0030.01811.41
5.3.280.0040.02011.34
5.3.270.0070.02012.06
5.3.260.0050.02111.95
5.3.250.0030.02212.04
5.3.240.0030.01912.03
5.3.230.0050.02912.05
5.3.220.0030.02111.95
5.3.210.0040.02211.93
5.3.200.0060.01911.87
5.3.190.0030.02312.00
5.3.180.0040.02212.05
5.3.170.0030.02612.05
5.3.160.0060.02812.10
5.3.150.0050.02011.97
5.3.140.0030.02212.06
5.3.130.0030.02411.96
5.3.120.0050.02911.91
5.3.110.0040.02312.03
5.3.100.0070.01811.89
5.3.90.0040.02111.87
5.3.80.0040.02011.81
5.3.70.0060.01911.82
5.3.60.0060.02111.87
5.3.50.0050.02011.74
5.3.40.0060.02411.75
5.3.30.0080.01811.79
5.3.20.0060.02811.66
5.3.10.0080.01811.67
5.3.00.0090.02611.59
5.2.170.0120.02810.35
5.2.160.0080.01810.24
5.2.150.0030.03010.26
5.2.140.0050.02510.34
5.2.130.0030.02510.26
5.2.120.0060.02310.17
5.2.110.0060.02610.35
5.2.100.0030.02410.36
5.2.90.0050.03210.15
5.2.80.0020.02710.28
5.2.70.0050.02410.19
5.2.60.0050.02510.11
5.2.50.0030.02610.08
5.2.40.0050.02610.25
5.2.30.0050.02110.26
5.2.20.0050.02110.05
5.2.10.0000.03110.10
5.2.00.0050.0249.97
5.1.60.0090.0209.41
5.1.50.0080.0239.35
5.1.40.0050.0279.11
5.1.30.0050.0279.46
5.1.20.0060.0219.37
5.1.10.0090.0139.41
5.1.00.0050.0189.17
5.0.50.0050.0158.43
5.0.40.0020.0198.23
5.0.30.0000.0278.24
5.0.20.0050.0148.16
5.0.10.0070.0108.15
5.0.00.0070.0198.07
4.4.90.0010.0137.17
4.4.80.0030.0177.17
4.4.70.0040.0157.17
4.4.60.0020.0137.17
4.4.50.0000.0147.17
4.4.40.0020.0237.17
4.4.30.0030.0137.17
4.4.20.0020.0127.17
4.4.10.0020.0127.17
4.4.00.0020.0237.17
4.3.110.0050.0107.17
4.3.100.0030.0117.17
4.3.90.0020.0127.17
4.3.80.0020.0237.17
4.3.70.0000.0167.17
4.3.60.0000.0157.17
4.3.50.0040.0127.17
4.3.40.0030.0167.17
4.3.30.0000.0147.17
4.3.20.0040.0127.17
4.3.10.0000.0147.17
4.3.00.0050.0107.26

preferences:
46.27 ms | 400 KiB | 5 Q