3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = <<<INP value that I {want}, vs value "I do {NOT} want". Let's make it {nested {this {time}}} And yes, it's even "{bullet-{proof}}" :) INP; @preg_match_all('~(|\').*?\1(*SKIP)(*FAIL)|\{(?:[^{}]|(?R))*\}~', $input, $m); print_r($m[0]); ?>

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)
8.3.70.0110.00416.58
8.3.60.0100.01018.68
8.3.50.0030.01121.21
8.3.40.0040.01119.14
8.3.30.0110.00420.13
8.3.20.0060.00320.78
8.3.10.0040.00421.05
8.3.00.0000.00823.65
8.2.180.0000.01918.42
8.2.170.0110.00422.96
8.2.160.0150.00020.22
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0030.00626.16
8.2.120.0080.00021.07
8.2.110.0050.00522.21
8.2.100.0090.00317.97
8.2.90.0030.00619.21
8.2.80.0040.00419.32
8.2.70.0060.00317.88
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0060.00618.28
8.2.30.0050.00319.34
8.2.20.0000.00717.90
8.2.10.0000.00717.71
8.2.00.0050.00217.88
8.1.280.0070.01125.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0090.00320.61
8.1.230.0110.00020.85
8.1.220.0080.00018.77
8.1.210.0000.00819.04
8.1.200.0030.00617.35
8.1.190.0030.00617.41
8.1.180.0040.00418.10
8.1.170.0000.00918.82
8.1.160.0000.00718.84
8.1.150.0040.00418.75
8.1.140.0030.00517.53
8.1.130.0000.00717.89
8.1.120.0040.00417.62
8.1.110.0040.00417.50
8.1.100.0000.00817.65
8.1.90.0050.00217.60
8.1.80.0030.00517.57
8.1.70.0030.00317.60
8.1.60.0050.00317.74
8.1.50.0080.00017.52
8.1.40.0050.00317.61
8.1.30.0000.00817.84
8.1.20.0040.00417.74
8.1.10.0040.00417.71
8.1.00.0040.00417.64
8.0.300.0030.00819.89
8.0.290.0000.00717.05
8.0.280.0070.00018.47
8.0.270.0040.00417.24
8.0.260.0030.00316.95
8.0.250.0000.00817.17
8.0.240.0040.00417.09
8.0.230.0070.00017.21
8.0.220.0000.00717.13
8.0.210.0030.00317.06
8.0.200.0030.00317.01
8.0.190.0040.00417.11
8.0.180.0040.00417.18
8.0.170.0040.00417.03
8.0.160.0020.00517.16
8.0.150.0040.00417.09
8.0.140.0090.00016.92
8.0.130.0060.00013.60
8.0.120.0080.00017.00
8.0.110.0070.00016.95
8.0.100.0040.00416.93
8.0.90.0050.00317.10
8.0.80.0070.00717.11
8.0.70.0050.00317.12
8.0.60.0030.00516.97
8.0.50.0070.00016.98
8.0.30.0100.01217.34
8.0.20.0100.00817.40
8.0.10.0020.00517.28
8.0.00.0060.01417.02
7.4.330.0000.00514.94
7.4.320.0040.00416.84
7.4.300.0060.00016.82
7.4.290.0000.00716.70
7.4.280.0070.00016.82
7.4.270.0030.00316.82
7.4.260.0030.00313.48
7.4.250.0070.00016.77
7.4.240.0030.00316.64
7.4.230.0070.00016.66
7.4.220.0140.00316.69
7.4.210.0050.01116.77
7.4.200.0030.00316.80
7.4.190.0000.00716.98
7.4.160.0040.01416.67
7.4.150.0060.01017.40
7.4.140.0040.01317.86
7.4.130.0050.01216.68
7.4.120.0050.01216.78
7.4.110.0100.00716.63
7.4.100.0070.01016.61
7.4.90.0100.01316.77
7.4.80.0080.00819.39
7.4.70.0030.01416.85
7.4.60.0140.01016.75
7.4.50.0050.00316.55
7.4.40.0100.00722.77
7.4.30.0120.00616.56
7.3.330.0000.00513.32
7.3.320.0000.00713.22
7.3.310.0030.00316.51
7.3.300.0030.00316.45
7.3.290.0100.00316.45
7.3.280.0110.00916.47
7.3.270.0090.00917.40
7.3.260.0120.00718.24
7.3.250.0120.00816.57
7.3.240.0090.01216.51
7.3.230.0030.02016.79
7.3.210.0090.00916.48
7.3.200.0090.01219.39
7.3.190.0060.01216.52
7.3.180.0090.00916.54
7.3.170.0090.00716.46
7.3.160.0030.01916.65
7.3.10.0070.00716.87
7.3.00.0090.00616.65
7.2.330.0180.00016.58
7.2.320.0180.00016.58
7.2.310.0120.00616.77
7.2.300.0100.00716.63
7.2.290.0100.00616.59
7.2.130.0070.00716.90
7.2.120.0000.01516.56
7.2.110.0090.00617.02
7.2.100.0060.00616.92
7.2.90.0060.00616.68
7.2.80.0090.00916.87
7.2.70.0110.01117.03
7.2.60.0030.00916.80
7.2.50.0150.00716.91
7.2.40.0070.01416.94
7.2.30.0000.01216.60
7.2.20.0080.00416.57
7.2.10.0130.00616.57
7.2.00.0040.00818.09
7.1.250.0130.00315.85
7.1.240.0030.00615.84
7.1.230.0080.01215.82
7.1.220.0140.00315.58
7.1.210.0100.00315.75
7.1.200.0090.00615.96
7.1.190.0030.01215.85
7.1.180.0040.01115.88
7.1.170.0170.00315.50
7.1.160.0040.00715.93
7.1.150.0060.00615.84
7.1.140.0060.00915.59
7.1.130.0030.01315.71
7.1.120.0080.01115.70
7.1.110.0110.00415.90
7.1.100.0060.00717.22
7.1.90.0110.00716.00
7.1.80.0130.01015.98
7.1.70.0080.00316.63
7.1.60.0100.00917.50
7.1.50.0030.01416.38
7.1.40.0000.01215.91
7.1.30.0030.01415.64
7.1.20.0060.00615.92
7.1.10.0040.00816.02
7.1.00.0030.02219.03
7.0.330.0030.01015.38
7.0.320.0040.00715.52
7.0.310.0160.00315.57
7.0.300.0040.01115.48
7.0.290.0130.00015.50
7.0.280.0110.00415.36
7.0.270.0060.00615.40
7.0.260.0050.00515.41
7.0.250.0100.00715.50
7.0.240.0000.01515.54
7.0.230.0070.01115.40
7.0.220.0030.01015.60
7.0.210.0090.00615.07
7.0.200.0060.00216.18
7.0.190.0060.00915.25
7.0.180.0130.00315.52
7.0.170.0050.01015.14
7.0.160.0040.00815.48
7.0.150.0040.01315.63
7.0.140.0030.04218.73
7.0.130.0000.01715.71
7.0.120.0030.00915.38
7.0.110.0070.00715.54
7.0.100.0030.01315.39
7.0.90.0130.04317.68
7.0.80.0100.04217.64
7.0.70.0050.04117.56
7.0.60.0110.03917.71
7.0.50.0120.04117.90
7.0.40.0020.03516.68
7.0.30.0090.04516.88
7.0.20.0020.02916.94
7.0.10.0100.04216.79
7.0.00.0070.02416.65
5.6.380.0030.01014.06
5.6.370.0000.01314.43
5.6.360.0060.00914.07
5.6.350.0000.01213.69
5.6.340.0030.01014.36
5.6.330.0160.00014.42
5.6.320.0040.01114.41
5.6.310.0030.01014.17
5.6.300.0030.01014.23
5.6.290.0030.01314.54
5.6.280.0030.03917.46
5.6.270.0070.01014.02
5.6.260.0080.00814.44
5.6.250.0080.00814.25
5.6.240.0150.00314.19
5.6.230.0090.04217.49
5.6.220.0080.04517.40
5.6.210.0040.03417.58
5.6.200.0080.04317.64
5.6.190.0030.04917.68
5.6.180.0060.04517.69
5.6.170.0030.03717.55
5.6.160.0100.02117.54
5.6.150.0130.03817.49
5.6.140.0070.02617.49
5.6.130.0040.04817.56
5.6.120.0090.02217.54
5.6.110.0110.01917.65
5.6.100.0100.02517.69
5.6.90.0080.04217.69
5.6.80.0030.03717.28
5.6.70.0020.02517.39
5.6.60.0050.03317.36
5.6.50.0030.02017.45
5.6.40.0050.02517.32
5.6.30.0050.02917.31
5.6.20.0070.01817.25
5.6.10.0050.03317.28
5.6.00.0070.02217.29
5.5.380.0060.00310.94
5.5.370.0050.04715.79
5.5.360.0050.03615.84
5.5.350.0080.04615.75
5.5.340.0150.03515.90
5.5.330.0100.03716.06
5.5.320.0050.04415.90
5.5.310.0080.04016.12
5.5.300.0030.02716.00
5.5.290.0100.01615.82
5.5.280.0070.02215.91
5.5.270.0030.02716.00
5.5.260.0020.02515.86
5.5.250.0030.02915.79
5.5.240.0050.02315.69
5.5.230.0040.02715.58
5.5.220.0030.04115.70
5.5.210.0030.02315.68
5.5.200.0050.02315.58
5.5.190.0050.02515.46
5.5.180.0060.02315.47
5.5.170.0040.00810.98
5.5.160.0090.02015.64
5.5.150.0070.01815.53
5.5.140.0070.01915.72
5.5.130.0040.02215.47
5.5.120.0050.02315.58
5.5.110.0050.03015.42
5.5.100.0020.02315.56
5.5.90.0040.02215.40
5.5.80.0030.02215.34
5.5.70.0040.02215.46
5.5.60.0030.02915.39
5.5.50.0020.02115.54
5.5.40.0030.02115.46
5.5.30.0050.02115.27
5.5.20.0060.02015.60
5.5.10.0050.02515.46
5.5.00.0030.03015.38
5.4.450.0070.02415.25
5.4.440.0030.02515.22
5.4.430.0060.02415.16
5.4.420.0020.03215.10
5.4.410.0040.03515.25
5.4.400.0060.02015.15
5.4.390.0050.02215.00
5.4.380.0070.02115.01
5.4.370.0040.01915.07
5.4.360.0050.01914.91
5.4.350.0050.02014.75
5.4.340.0030.02314.95
5.4.330.0060.00610.95
5.4.320.0000.03415.08
5.4.310.0080.02114.76
5.4.300.0090.02014.90
5.4.290.0060.01814.96
5.4.280.0030.03314.88
5.4.270.0060.01815.04
5.4.260.0000.02714.76
5.4.250.0050.02215.03
5.4.240.0070.02015.01
5.4.230.0080.01714.96
5.4.220.0050.02515.02
5.4.210.0020.02515.06
5.4.200.0050.02114.96
5.4.190.0030.02315.02
5.4.180.0090.01815.04
5.4.170.0080.03514.95
5.4.160.0100.03314.91
5.4.150.0070.02514.71
5.4.140.0030.02713.71
5.4.130.0030.03713.58
5.4.120.0070.03813.38
5.4.110.0050.04213.56
5.4.100.0080.03813.63
5.4.90.0130.01513.44
5.4.80.0030.02313.44
5.4.70.0060.02413.56
5.4.60.0100.03513.62
5.4.50.0030.03113.45
5.4.40.0130.01813.52
5.4.30.0030.02613.59
5.4.20.0050.04013.51
5.4.10.0090.03313.54
5.4.00.0100.03813.30
5.3.290.0040.03012.50
5.3.280.0050.03012.45
5.3.270.0090.04012.57
5.3.260.0060.03812.39
5.3.250.0050.02312.51
5.3.240.0080.04012.36
5.3.230.0090.03512.43
5.3.220.0030.02512.38
5.3.210.0080.03112.44
5.3.200.0100.03712.46
5.3.190.0090.04512.49
5.3.180.0080.03612.36
5.3.170.0060.04212.54
5.3.160.0050.04112.50
5.3.150.0030.04112.48
5.3.140.0020.02712.52
5.3.130.0050.04012.48
5.3.120.0070.04212.44
5.3.110.0050.03912.54
5.3.100.0050.02412.06
5.3.90.0060.03812.24
5.3.80.0090.03712.13
5.3.70.0050.03812.13
5.3.60.0040.02712.20
5.3.50.0030.04212.08
5.3.40.0110.03312.09
5.3.30.0032.48711.77
5.3.20.0102.46111.66
5.3.10.0182.43511.66
5.3.00.0052.47411.58
5.2.170.0132.47410.04
5.2.160.0152.4319.99
5.2.150.0052.47210.08
5.2.140.0132.4529.92
5.2.130.0122.4679.94
5.2.120.0102.4729.86
5.2.110.0122.43110.08
5.2.100.0132.44010.06
5.2.90.0182.44010.02
5.2.80.0082.4769.94
5.2.70.0132.45810.01
5.2.60.0122.4619.92
5.2.50.0072.4749.93
5.2.40.0060.03011.65
5.2.30.0030.02311.60
5.2.20.0040.03511.55
5.2.10.0050.02211.52
5.2.00.0060.03211.57
5.1.60.0070.02611.17
5.1.50.0020.03011.17
5.1.40.0020.02911.27
5.1.30.0050.03011.30
5.1.20.0060.02311.14
5.1.10.0060.02611.16
5.1.00.0040.03011.15
5.0.50.0040.01911.07
5.0.40.0010.02111.07
5.0.30.0020.01911.07
5.0.20.0060.01311.07
5.0.10.0080.00711.07
5.0.00.0000.01911.07
4.4.90.0022.4777.87
4.4.80.0020.02211.07
4.4.70.0030.01711.07
4.4.60.0010.01411.07
4.4.50.0000.02011.07
4.4.40.0020.02911.07
4.4.30.0020.01811.07
4.4.20.0020.02011.07
4.4.10.0030.02011.07
4.4.00.0020.02711.07
4.3.110.0020.01011.07
4.3.100.0000.01311.07
4.3.90.0030.00811.07
4.3.80.0000.01611.07
4.3.70.0030.00811.07
4.3.60.0030.00711.07
4.3.50.0020.01011.07
4.3.40.0030.01211.07
4.3.30.0030.00711.07
4.3.20.0000.01111.07
4.3.10.0000.00911.07
4.3.00.0020.00811.07

preferences:
64.77 ms | 401 KiB | 5 Q