3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('`{([^{}]*|{[^{}]*})+(?=})`', '<$0>', 'test {a} {b{c}d}e{{f}{g}}');

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)
8.3.70.0110.00716.48
8.3.60.0110.00716.75
8.3.50.0110.00818.26
8.3.40.0040.01118.82
8.3.30.0070.00718.79
8.3.20.0030.00618.90
8.3.10.0080.00020.52
8.3.00.0030.00619.38
8.2.180.0130.01016.63
8.2.170.0140.00322.96
8.2.160.0100.00321.19
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00820.88
8.2.110.0000.01022.38
8.2.100.0080.00417.91
8.2.90.0000.00818.03
8.2.80.0000.00818.04
8.2.70.0130.00317.23
8.2.60.0060.00317.91
8.2.50.0080.00018.10
8.2.40.0040.00418.09
8.2.30.0070.00318.08
8.2.20.0050.00217.64
8.2.10.0080.00017.75
8.2.00.0080.00017.61
8.1.280.0120.00325.92
8.1.270.0060.00324.66
8.1.260.0150.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.21
8.1.230.0040.00820.97
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.35
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0050.00318.77
8.1.160.0050.00218.74
8.1.150.0040.00418.59
8.1.140.0030.00517.54
8.1.130.0000.00719.48
8.1.120.0100.00017.55
8.1.110.0040.00417.35
8.1.100.0040.00417.45
8.1.90.0070.00017.32
8.1.80.0040.00417.46
8.1.70.0040.00417.43
8.1.60.0040.00417.59
8.1.50.0000.00917.53
8.1.40.0050.00317.53
8.1.30.0050.00317.68
8.1.20.0030.00517.62
8.1.10.0020.00517.61
8.1.00.0020.00517.51
8.0.300.0040.00422.00
8.0.290.0000.00816.75
8.0.280.0030.00318.30
8.0.270.0030.00317.27
8.0.260.0020.00517.02
8.0.250.0040.00416.93
8.0.240.0030.00716.91
8.0.230.0070.00017.00
8.0.220.0030.00316.79
8.0.210.0040.00416.89
8.0.200.0060.00016.85
8.0.190.0000.00816.98
8.0.180.0050.00316.92
8.0.170.0030.00616.89
8.0.160.0000.00716.92
8.0.150.0000.00816.91
8.0.140.0000.00816.84
8.0.130.0050.00013.34
8.0.120.0040.00416.85
8.0.110.0040.00416.81
8.0.100.0090.00016.88
8.0.90.0050.00316.77
8.0.80.0100.01016.95
8.0.70.0020.00516.90
8.0.60.0000.00716.79
8.0.50.0000.00816.81
8.0.30.0150.00517.13
8.0.20.0090.00917.03
8.0.10.0040.00416.83
8.0.00.0070.01016.79
7.4.330.0030.00313.05
7.4.320.0060.00016.67
7.4.300.0030.00316.66
7.4.290.0000.00716.59
7.4.280.0040.00416.59
7.4.270.0030.00316.56
7.4.260.0000.00513.34
7.4.250.0000.00816.61
7.4.240.0020.00516.70
7.4.230.0000.00716.70
7.4.220.0080.00816.70
7.4.210.0060.00916.74
7.4.200.0040.00416.47
7.4.190.0000.00716.62
7.4.160.0180.00316.55
7.4.150.0130.00416.53
7.4.140.0090.00916.56
7.4.130.0100.00816.61
7.4.120.0110.00616.46
7.4.110.0100.00616.65
7.4.100.0070.01116.41
7.4.90.0030.01316.42
7.4.80.0030.01419.39
7.4.70.0130.00316.57
7.4.60.0100.00616.62
7.4.50.0060.00616.63
7.4.40.0090.00916.59
7.4.30.0060.01216.71
7.4.10.0080.01115.14
7.4.00.0090.00715.14
7.3.330.0030.00313.11
7.3.320.0000.00513.18
7.3.310.0000.00716.23
7.3.300.0030.00316.14
7.3.290.0100.01016.24
7.3.280.0100.00616.25
7.3.270.0130.00716.34
7.3.260.0070.01016.50
7.3.250.0100.01016.36
7.3.240.0070.01016.43
7.3.230.0100.00716.68
7.3.210.0120.00616.60
7.3.200.0080.00816.57
7.3.190.0120.00416.64
7.3.180.0100.00616.46
7.3.170.0140.00716.58
7.3.160.0000.01516.33
7.3.130.0100.01014.93
7.3.120.0070.01014.90
7.3.110.0180.00014.82
7.3.100.0040.01114.98
7.3.90.0030.00714.80
7.3.80.0090.00614.78
7.3.70.0030.00614.82
7.3.60.0030.01314.70
7.3.50.0040.01414.93
7.3.40.0090.00314.64
7.3.30.0040.01214.88
7.3.20.0100.00616.77
7.3.10.0040.00716.71
7.3.00.0030.01216.67
7.2.330.0110.00816.81
7.2.320.0100.01016.78
7.2.310.0120.00916.52
7.2.300.0030.01516.61
7.2.290.0120.00616.39
7.2.260.0110.00715.05
7.2.250.0130.00715.11
7.2.240.0150.00015.06
7.2.230.0070.01015.02
7.2.220.0000.01515.16
7.2.210.0070.00714.83
7.2.200.0040.01214.79
7.2.190.0120.00314.92
7.2.180.0110.00415.08
7.2.170.0030.00915.01
7.2.160.0070.00714.80
7.2.150.0100.00617.15
7.2.140.0130.00016.54
7.2.130.0030.01216.71
7.2.120.0090.00317.05
7.2.110.0040.01116.96
7.2.100.0070.01017.05
7.2.90.0120.00317.18
7.2.80.0070.00717.07
7.2.70.0060.00917.11
7.2.60.0060.00916.96
7.2.50.0040.00817.06
7.2.40.0060.00617.12
7.2.30.0110.00617.03
7.2.20.0070.00417.08
7.2.10.0090.00616.74
7.2.00.0090.00818.06
7.1.330.0130.00315.70
7.1.320.0090.00615.79
7.1.310.0080.00815.73
7.1.300.0110.00715.79
7.1.290.0100.00315.95
7.1.280.0100.00315.95
7.1.270.0030.01015.42
7.1.260.0030.01316.00
7.1.250.0090.00615.48
7.1.240.0000.01215.97
7.1.230.0030.01015.87
7.1.220.0030.00615.89
7.1.210.0030.01415.67
7.1.200.0030.01215.78
7.1.190.0120.00315.78
7.1.180.0040.01215.85
7.1.170.0120.00315.83
7.1.160.0030.01415.80
7.1.150.0040.01115.73
7.1.140.0060.00815.62
7.1.130.0070.00415.48
7.1.120.0110.00415.90
7.1.110.0090.00315.84
7.1.100.0030.01117.21
7.1.90.0060.00815.96
7.1.80.0030.00915.85
7.1.70.0050.00716.39
7.1.60.0120.00817.63
7.1.50.0060.01116.39
7.1.40.0030.01415.89
7.1.30.0070.01015.91
7.1.20.0030.01615.69
7.1.10.0080.00815.87
7.1.00.0090.01519.07
7.0.330.0090.00315.55
7.0.320.0110.00315.48
7.0.310.0030.01015.41
7.0.300.0030.01415.44
7.0.290.0120.00315.34
7.0.280.0100.00615.13
7.0.270.0030.00615.49
7.0.260.0100.00315.15
7.0.250.0080.00815.57
7.0.240.0040.01115.49
7.0.230.0060.00615.50
7.0.220.0080.00815.46
7.0.210.0080.01015.29
7.0.200.0050.00716.13
7.0.190.0100.00715.55
7.0.180.0130.00315.46
7.0.170.0070.00715.67
7.0.160.0030.01415.52
7.0.150.0040.00415.48
7.0.140.0080.03018.74
7.0.130.0000.01115.55
7.0.120.0050.03618.92
7.0.110.0040.01115.39
7.0.100.0030.00615.15
7.0.90.0000.01115.27
7.0.80.0100.00315.58
7.0.70.0030.00615.35
7.0.60.0030.03817.67
7.0.50.0050.04316.54
7.0.40.0030.03215.64
7.0.30.0070.04315.68
7.0.20.0040.04215.59
7.0.10.0030.04515.64
7.0.00.0030.02715.68
5.6.400.0000.01514.54
5.6.390.0030.00714.28
5.6.380.0130.00314.34
5.6.370.0070.00714.59
5.6.360.0030.01014.48
5.6.350.0030.00614.54
5.6.340.0030.00714.18
5.6.330.0000.01414.00
5.6.320.0080.00714.04
5.6.310.0090.00914.32
5.6.300.0040.00814.40
5.6.290.0000.01113.89
5.6.280.0000.01314.51
5.6.270.0120.00014.31
5.6.260.0070.01014.18
5.6.250.0030.00714.47
5.6.240.0030.01014.41
5.6.230.0000.01314.17
5.6.220.0030.00614.44
5.6.210.0040.02417.40
5.6.200.0090.03316.29
5.6.190.0050.04616.17
5.6.180.0050.04316.27
5.6.170.0030.05016.21
5.6.160.0050.04216.19
5.6.150.0050.02316.18
5.6.140.0070.04416.09
5.6.130.0080.04316.24
5.6.120.0030.02916.12
5.6.110.0090.02516.26
5.6.100.0070.04316.06
5.6.90.0030.05016.27
5.6.80.0100.02315.76
5.6.70.0050.02815.93
5.6.60.0050.04315.79
5.6.50.0030.04615.94
5.6.40.0080.03915.75
5.6.30.0070.03515.90
5.6.20.0070.02715.88
5.6.10.0040.04116.02
5.6.00.0050.04415.94
5.5.380.0070.01014.43
5.5.370.0070.00714.08
5.5.360.0040.00714.03
5.5.350.0240.03617.32
5.5.340.0000.03416.09
5.5.330.0050.03715.92
5.5.320.0050.04416.18
5.5.310.0070.04416.11
5.5.300.0070.04616.09
5.5.290.0060.04215.99
5.5.280.0100.03816.10
5.5.270.0110.03216.06
5.5.260.0050.04515.93
5.5.250.0020.02915.81
5.5.240.0090.03515.65
5.5.230.0120.02515.63
5.5.220.0080.03815.78
5.5.210.0080.03515.79
5.5.200.0060.04115.59
5.5.190.0050.02915.62
5.5.180.0070.02615.71
5.5.170.0080.00014.01
5.5.160.0020.04215.77
5.5.150.0030.02615.67
5.5.140.0050.04215.68
5.5.130.0070.03015.64
5.5.120.0080.04015.65
5.5.110.0050.03315.77
5.5.100.0020.04915.60
5.5.90.0020.03515.73
5.5.80.0090.02615.49
5.5.70.0070.04515.71
5.5.60.0050.04215.70
5.5.50.0070.03715.54
5.5.40.0080.03615.62
5.5.30.0020.03915.70
5.5.20.0050.02615.71
5.5.10.0070.02515.44
5.5.00.0020.03515.63
5.4.450.0070.02715.64
5.4.440.0110.03515.72
5.4.430.0030.03915.70
5.4.420.0070.02815.68
5.4.410.0080.03215.60
5.4.400.0000.02315.44
5.4.390.0110.03315.48
5.4.380.0020.03815.49
5.4.370.0030.03515.48
5.4.360.0080.03315.45
5.4.350.0040.02915.50
5.4.340.0050.03015.52
5.4.330.0000.01011.98
5.4.320.0050.04015.44
5.4.310.0060.03415.48
5.4.300.0030.03715.54
5.4.290.0070.02515.48
5.4.280.0070.02715.48
5.4.270.0030.04415.55
5.4.260.0050.04015.48
5.4.250.0110.02815.52
5.4.240.0060.04315.53
5.4.230.0050.02915.38
5.4.220.0070.02715.50
5.4.210.0080.04015.59
5.4.200.0060.03315.49
5.4.190.0060.04015.43
5.4.180.0130.03415.48
5.4.170.0060.03415.47
5.4.160.0110.03815.47
5.4.150.0040.03215.46
5.4.140.0050.04514.13
5.4.130.0070.02714.17
5.4.120.0020.03514.13
5.4.110.0100.03814.17
5.4.100.0080.03814.19
5.4.90.0150.03014.17
5.4.80.0030.04314.20
5.4.70.0060.03514.17
5.4.60.0020.03714.12
5.4.50.0100.02214.13
5.4.40.0020.02314.14
5.4.30.0100.03114.11
5.4.20.0110.01814.14
5.4.10.0060.02614.07
5.4.00.0100.02913.88
5.3.290.0080.03913.28
5.3.280.0010.02413.28
5.3.270.0030.04513.28
5.3.260.0040.04613.18
5.3.250.0130.03413.26
5.3.240.0060.03913.25
5.3.230.0020.03213.20
5.3.220.0030.03913.23
5.3.210.0050.02713.24
5.3.200.0050.04213.18
5.3.190.0030.04413.20
5.3.180.0050.03113.26
5.3.170.0030.04013.19
5.3.160.0060.03013.18
5.3.150.0020.02513.24
5.3.140.0030.02613.23
5.3.130.0120.03613.25
5.3.120.0080.01813.22
5.3.110.0030.04613.18
5.3.100.0000.03912.97
5.3.90.0080.03212.98
5.3.80.0080.03012.92
5.3.70.0030.02612.88
5.3.60.0080.02412.87
5.3.50.0100.03512.94
5.3.40.0040.02312.84
5.3.30.0040.02012.90
5.3.20.0050.01812.72
5.3.10.0020.02412.79
5.3.00.0030.02212.79
5.2.170.0070.05711.06
5.2.160.0100.04311.13
5.2.150.0030.04011.11
5.2.140.0030.02710.91
5.2.130.0030.02711.10
5.2.120.0000.03010.88
5.2.110.0030.03011.13
5.2.100.0070.02311.07
5.2.90.0000.03311.07
5.2.80.0030.02711.09
5.2.70.0030.02711.05
5.2.60.0000.03011.01
5.2.50.0070.02711.02
5.2.40.0030.02710.93
5.2.30.0000.03010.87
5.2.20.0100.02010.74
5.2.10.0000.03010.90
5.2.00.0000.03010.75
5.1.60.0000.0239.95
5.1.50.0000.02310.00
5.1.40.0000.0239.79
5.1.30.0000.02710.47
5.1.20.0000.02710.38
5.1.10.0030.02710.20
5.1.00.0030.02310.01
5.0.50.0000.0208.52
5.0.40.0030.0178.39
5.0.30.0000.0308.18
5.0.20.0030.0208.26
5.0.10.0000.0208.22
5.0.00.0000.0308.13
4.4.90.0000.0137.55
4.4.80.0030.0137.55
4.4.70.0030.0137.55
4.4.60.0030.0137.55
4.4.50.0000.0137.55
4.4.40.0130.0177.55
4.4.30.0000.0177.55
4.4.20.0000.0137.55
4.4.10.0000.0137.55
4.4.00.0030.0207.55
4.3.110.0000.0177.55
4.3.100.0000.0137.55
4.3.90.0000.0137.55
4.3.80.0000.0237.55
4.3.70.0000.0177.55
4.3.60.0030.0137.55
4.3.50.0000.0177.55
4.3.40.0000.0237.55
4.3.30.0000.0137.55
4.3.20.0000.0177.55
4.3.10.0000.0177.55
4.3.00.0000.0177.55

preferences:
49.55 ms | 401 KiB | 5 Q