3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = <<<INP value that I {want}, vs value "I do {NOT} want". Lets make it's {nested {this {time}}} And yes, it's even "{bullet-{proof}}" whats :) 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)
8.3.60.0120.00318.55
8.3.50.0130.00716.55
8.3.40.0090.00619.04
8.3.30.0110.00319.15
8.3.20.0030.00518.93
8.3.10.0080.00020.82
8.3.00.0000.00817.71
8.2.180.0140.00716.75
8.2.170.0110.00422.96
8.2.160.0110.00322.17
8.2.150.0040.00424.18
8.2.140.0120.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00719.79
8.2.110.0030.00721.12
8.2.100.0040.00817.91
8.2.90.0060.00319.41
8.2.80.0040.00418.05
8.2.70.0030.00617.75
8.2.60.0000.00818.05
8.2.50.0040.00418.07
8.2.40.0070.00018.22
8.2.30.0040.00418.26
8.2.20.0000.00817.80
8.2.10.0000.00717.85
8.2.00.0030.00617.81
8.1.270.0000.00824.66
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0130.00020.85
8.1.230.0030.00920.84
8.1.220.0080.00017.74
8.1.210.0030.00718.83
8.1.200.0090.00317.47
8.1.190.0000.00817.66
8.1.180.0040.00418.10
8.1.170.0000.00718.74
8.1.160.0040.00418.91
8.1.150.0040.00418.73
8.1.140.0050.00517.59
8.1.130.0000.00817.82
8.1.120.0040.00417.54
8.1.110.0000.00717.60
8.1.100.0000.00717.50
8.1.90.0070.00017.61
8.1.80.0000.00717.66
8.1.70.0050.00317.63
8.1.60.0040.00417.79
8.1.50.0000.00817.60
8.1.40.0050.00317.64
8.1.30.0000.00817.78
8.1.20.0030.00517.85
8.1.10.0040.00417.70
8.1.00.0060.00317.69
8.0.300.0070.00019.98
8.0.290.0040.00416.75
8.0.280.0030.00318.53
8.0.270.0030.00617.27
8.0.260.0070.00017.04
8.0.250.0040.00417.08
8.0.240.0060.00317.18
8.0.230.0000.00717.02
8.0.220.0040.00417.02
8.0.210.0050.00317.10
8.0.200.0030.00317.06
8.0.190.0070.00317.06
8.0.180.0020.00517.12
8.0.170.0080.00017.15
8.0.160.0040.00417.18
8.0.150.0040.00417.01
8.0.140.0040.00416.98
8.0.130.0000.00713.56
8.0.120.0040.00417.07
8.0.110.0080.00017.14
8.0.100.0050.00216.98
8.0.90.0070.00016.96
8.0.80.0040.01116.99
8.0.70.0000.00716.96
8.0.60.0030.00516.89
8.0.50.0040.00417.07
8.0.30.0120.01217.32
8.0.20.0090.01717.29
8.0.10.0000.00717.14
8.0.00.0120.00616.82
7.4.330.0050.00014.96
7.4.320.0050.00216.88
7.4.300.0000.00616.81
7.4.290.0040.00416.81
7.4.280.0090.00316.86
7.4.270.0000.00816.58
7.4.260.0000.00513.48
7.4.250.0000.00816.80
7.4.240.0000.00816.70
7.4.230.0000.00716.62
7.4.220.0040.01516.79
7.4.210.0100.00816.89
7.4.200.0000.00816.59
7.4.190.0050.00316.69
7.4.160.0060.00916.57
7.4.150.0080.01117.07
7.4.140.0120.00917.17
7.4.130.0080.01116.70
7.4.120.0070.01416.82
7.4.110.0120.00616.69
7.4.100.0070.01616.74
7.4.90.0130.00616.71
7.4.80.0090.00819.39
7.4.70.0130.00716.68
7.4.60.0140.00316.62
7.4.50.0020.00216.86
7.4.40.0000.01521.94
7.4.30.0040.01116.48
7.4.00.0040.01115.23
7.3.330.0000.00713.30
7.3.320.0000.00613.27
7.3.310.0000.00716.50
7.3.300.0070.00016.38
7.3.290.0030.01216.48
7.3.280.0080.00716.39
7.3.270.0090.00917.07
7.3.260.0100.00818.24
7.3.250.0140.00916.58
7.3.240.0060.00916.48
7.3.230.0070.01516.62
7.3.210.0110.00516.47
7.3.200.0100.00616.48
7.3.190.0060.01516.78
7.3.180.0060.00916.52
7.3.170.0080.00816.72
7.3.160.0070.01016.68
7.3.120.0080.00814.70
7.2.330.0130.01016.65
7.2.320.0100.00616.76
7.2.310.0120.00916.71
7.2.300.0090.01616.70
7.2.290.0100.00616.66
7.2.00.0030.00719.50
7.1.100.0040.00718.52
7.1.70.0000.00817.04
7.1.60.0030.02019.40
7.1.50.0130.00317.21
7.1.00.0030.07322.46
7.0.200.0030.00716.55
7.0.140.0030.07021.92
7.0.120.0000.03322.04
7.0.60.0030.08719.86
7.0.50.0030.05317.88
7.0.40.4130.05020.36
7.0.30.4230.04020.32
7.0.20.3430.04020.04
7.0.10.3300.04020.21
7.0.00.3600.04020.28
5.6.280.0070.07021.04
5.6.210.0100.06020.48
5.6.200.0030.08318.20
5.6.190.3830.04320.45
5.6.180.3330.03320.45
5.6.170.3670.03720.56
5.6.160.3770.04020.49
5.6.150.3130.04720.30
5.6.140.3530.03320.28
5.6.130.4030.04020.32
5.6.120.1270.04720.39
5.6.110.0000.08720.53
5.6.100.4130.04320.28
5.6.90.3930.03720.30
5.6.80.0070.07319.73
5.6.70.3530.04019.70
5.6.60.3230.04019.70
5.6.50.3400.04019.71
5.6.40.4330.03319.64
5.6.30.3600.04319.72
5.6.20.3400.04019.72
5.6.10.3270.04319.66
5.6.00.3270.04019.73
5.5.350.0300.08020.32
5.5.340.0030.04717.97
5.5.330.1400.04720.31
5.5.320.3500.04720.37
5.5.310.3230.04320.27
5.5.300.3370.04020.11
5.5.290.4130.03720.11
5.5.280.0030.08320.19
5.5.270.0070.08020.08
5.5.260.4170.03320.33
5.5.250.4270.03319.93
5.5.240.0070.06319.51
5.5.230.3030.04319.46
5.5.220.3330.03719.52
5.5.210.3600.03719.50
5.5.200.4170.03719.47
5.5.190.3570.03719.50
5.5.180.3530.03319.43
5.5.160.3370.03319.43
5.5.150.3500.04319.69
5.5.140.3870.04019.46
5.5.130.3270.03019.46
5.5.120.3270.04319.68
5.5.110.3400.04319.36
5.5.100.3430.03719.45
5.5.90.3600.04319.39
5.5.80.3730.03319.41
5.5.70.4930.04719.38
5.5.60.4170.04719.26
5.5.50.3400.03719.34
5.5.40.3530.03019.34
5.5.30.3700.04019.46
5.5.20.4200.04719.43
5.5.10.4500.04319.41
5.5.00.3400.03319.41
5.4.450.4200.04019.29
5.4.440.0070.03719.39
5.4.430.1370.04719.36
5.4.420.3670.04719.39
5.4.410.4100.04019.48
5.4.400.0800.06019.05
5.4.390.3600.03719.04
5.4.380.3500.03019.07
5.4.370.3430.03719.14
5.4.360.3600.04019.04
5.4.350.4300.03019.14
5.4.340.3370.04719.06
5.4.320.3300.03719.11
5.4.310.3370.03019.14
5.4.300.3230.04019.13
5.4.290.3700.04019.13
5.4.280.3430.04019.13
5.4.270.3130.04018.90
5.4.260.3470.03318.99
5.4.250.3600.03719.04
5.4.240.4270.03319.05
5.4.230.4000.03719.13
5.4.220.3570.04319.14
5.4.210.3600.03719.10
5.4.200.3770.03719.05
5.4.190.3970.04319.05
5.4.180.4900.04019.08
5.4.170.3630.03719.05
5.4.160.3400.03719.05
5.4.150.3430.04319.00
5.4.140.3430.03716.48
5.4.130.3600.03716.41
5.4.120.3200.04016.31
5.4.110.3630.03016.41
5.4.100.4070.03316.56
5.4.90.4130.02716.48
5.4.80.4270.03016.45
5.4.70.4370.02316.48
5.4.60.4230.03016.39
5.4.50.3270.03316.41
5.4.40.3700.04016.44
5.4.30.3430.04316.46
5.4.20.4470.04016.38
5.4.10.3430.03716.61
5.4.00.3300.03715.74
5.3.290.3300.03714.71
5.3.280.4200.04014.61
5.3.270.3530.03314.82
5.3.260.3530.03314.70
5.3.250.3500.03714.67
5.3.240.3600.04314.71
5.3.230.3600.03314.66
5.3.220.3400.04014.79
5.3.210.3800.03714.56
5.3.200.3730.04314.79
5.3.190.4230.04014.61
5.3.180.4270.03714.58
5.3.170.4030.04014.64
5.3.160.3070.03714.62
5.3.150.3300.03014.60
5.3.140.3570.03314.64
5.3.130.3300.04314.59
5.3.120.3330.02314.56
5.3.110.3430.06014.59
5.3.100.3300.03714.16
5.3.90.3730.02713.98
5.3.80.3400.03014.02
5.3.70.3200.03713.92
5.3.60.3100.04314.03
5.3.50.3470.02713.98
5.3.40.3470.03714.05
5.3.30.4200.02313.96
5.3.20.3970.03713.71
5.3.10.3530.02713.69
5.3.00.3570.03713.67
5.2.170.2830.03311.16
5.2.160.2870.03011.04
5.2.150.3170.03011.16
5.2.140.3570.03011.18
5.2.130.2900.03311.13
5.2.120.3030.02711.18
5.2.110.2870.03011.20
5.2.100.2930.03011.17
5.2.90.2800.03011.17
5.2.80.4230.03311.09
5.2.70.3170.02311.12
5.2.60.2700.03311.04
5.2.50.3100.02711.01
5.2.40.2470.02710.98
5.2.30.2430.02710.95
5.2.20.2370.02710.80
5.2.10.2800.02310.86
5.2.00.2800.02310.79
5.1.60.2930.0279.99
5.1.50.3030.0279.85
5.1.40.3000.02310.08
5.1.30.3000.03010.31
5.1.20.2930.02710.40
5.1.10.0070.05010.30
5.1.00.0070.0439.99
5.0.50.0030.0208.39
5.0.40.0030.0238.38
5.0.30.0000.0678.14
5.0.20.1670.0208.30
5.0.10.1500.0238.12
5.0.00.1630.0278.08
4.4.90.1130.0135.87
4.4.80.1430.0175.79
4.4.70.1070.0175.89
4.4.60.1570.0205.82
4.4.50.1570.0175.90
4.4.40.1700.0275.83
4.4.30.1300.0205.93
4.4.20.1330.0175.84
4.4.10.0030.0135.96
4.4.00.0070.0335.91
4.3.110.0000.0235.73
4.3.100.0800.0135.76
4.3.90.1730.0075.81
4.3.80.1370.0235.76
4.3.70.1670.0175.73
4.3.60.1470.0135.71
4.3.50.1700.0175.76
4.3.40.1530.0275.75
4.3.30.0870.0205.52
4.3.20.0870.0235.52
4.3.10.0730.0175.52
4.3.00.0770.0175.52

preferences:
68.23 ms | 400 KiB | 5 Q