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)
8.3.40.0180.00418.84
8.3.30.0120.00319.01
8.3.20.0040.00420.09
8.3.10.0070.00022.08
8.3.00.0040.00422.51
8.2.170.0140.00022.96
8.2.160.0100.00320.49
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.01126.16
8.2.120.0080.00019.90
8.2.110.0080.00022.05
8.2.100.0100.00019.38
8.2.90.0000.00719.23
8.2.80.0030.00617.97
8.2.70.0060.00317.63
8.2.60.0080.00017.88
8.2.50.0080.00018.07
8.2.40.0000.00818.09
8.2.30.0000.00817.89
8.2.20.0000.00817.76
8.2.10.0040.00417.70
8.2.00.0080.00017.72
8.1.270.0030.00720.40
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.78
8.1.230.0080.00319.07
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0040.00417.38
8.1.190.0050.00317.27
8.1.180.0000.00818.63
8.1.170.0000.00818.71
8.1.160.0070.00022.07
8.1.150.0000.00818.66
8.1.140.0040.00417.34
8.1.130.0000.00717.84
8.1.120.0050.00317.48
8.1.110.0030.00517.37
8.1.100.0030.00317.38
8.1.90.0000.00817.49
8.1.80.0080.00017.36
8.1.70.0030.00317.48
8.1.60.0040.00417.55
8.1.50.0070.00017.49
8.1.40.0050.00317.48
8.1.30.0040.00417.66
8.1.20.0040.00417.71
8.1.10.0040.00417.62
8.1.00.0030.00517.41
8.0.300.0030.00318.77
8.0.290.0080.00017.18
8.0.280.0030.00518.39
8.0.270.0000.00817.12
8.0.260.0030.00316.91
8.0.250.0000.00717.05
8.0.240.0030.00517.06
8.0.230.0030.00416.98
8.0.220.0040.00416.91
8.0.210.0030.00316.82
8.0.200.0000.00816.97
8.0.190.0030.00616.84
8.0.180.0030.00516.93
8.0.170.0000.00816.96
8.0.160.0000.00817.02
8.0.150.0070.00016.74
8.0.140.0040.00416.75
8.0.130.0000.00513.31
8.0.120.0040.00416.93
8.0.110.0070.00016.93
8.0.100.0050.00216.96
8.0.90.0000.00716.86
8.0.80.0120.00916.80
8.0.70.0040.00416.78
8.0.60.0040.00416.75
8.0.50.0050.00216.80
8.0.30.0150.00716.96
8.0.20.0040.01317.41
8.0.10.0040.00416.84
8.0.00.0050.01216.83
7.4.330.0000.00515.00
7.4.320.0040.00416.64
7.4.300.0000.00616.53
7.4.290.0030.00316.51
7.4.280.0030.00316.64
7.4.270.0070.00016.70
7.4.260.0030.00316.66
7.4.250.0050.00316.56
7.4.240.0020.00516.62
7.4.230.0030.00316.38
7.4.220.0130.01316.70
7.4.210.0060.01116.59
7.4.200.0070.00016.65
7.4.190.0030.00316.82
7.4.160.0090.00616.44
7.4.150.0090.00917.40
7.4.140.0100.01117.86
7.4.130.0070.01416.67
7.4.120.0160.00516.58
7.4.110.0030.01416.52
7.4.100.0070.01016.44
7.4.90.0070.01016.71
7.4.80.0100.01019.39
7.4.70.0120.01116.53
7.4.60.0060.01316.64
7.4.50.0000.00516.63
7.4.40.0030.01322.77
7.4.30.0110.00916.47
7.4.10.0060.01215.15
7.4.00.0070.01014.98
7.3.330.0030.00313.12
7.3.320.0020.00512.98
7.3.310.0050.00316.08
7.3.300.0030.00316.27
7.3.290.0070.00716.26
7.3.280.0090.00616.34
7.3.270.0060.00917.40
7.3.260.0070.01016.36
7.3.250.0060.01316.39
7.3.240.0090.00916.30
7.3.230.0110.00916.62
7.3.210.0080.01016.31
7.3.200.0030.01619.39
7.3.190.0070.01416.38
7.3.180.0040.01216.47
7.3.170.0060.01216.51
7.3.160.0100.00616.47
7.3.130.0070.01114.87
7.3.120.0040.01214.61
7.3.110.0050.01114.96
7.3.100.0050.01015.17
7.3.90.0040.01014.91
7.3.80.0080.00914.96
7.3.70.0070.00514.89
7.3.60.0070.00714.94
7.3.50.0050.00714.91
7.3.40.0030.00714.67
7.3.30.0060.00514.81
7.3.20.0070.00516.67
7.3.10.0090.00716.65
7.3.00.0090.00816.63
7.2.330.0110.00716.69
7.2.320.0090.00916.70
7.2.310.0130.01016.66
7.2.300.0060.01516.58
7.2.290.0110.00516.73
7.2.260.0030.01615.16
7.2.250.0110.00714.93
7.2.240.0040.01115.02
7.2.230.0060.00615.00
7.2.220.0140.00515.21
7.2.210.0080.00615.08
7.2.200.0030.00715.15
7.2.190.0040.01115.02
7.2.180.0090.00615.05
7.2.170.0070.00515.07
7.2.160.0140.00314.80
7.2.150.0030.00616.68
7.2.140.0030.00716.87
7.2.130.0110.00517.01
7.2.120.0050.00917.01
7.2.110.0050.01116.85
7.2.100.0050.00616.87
7.2.90.0070.00816.82
7.2.80.0110.00516.77
7.2.70.0050.01116.72
7.2.60.0070.00516.79
7.2.50.0050.00716.84
7.2.40.0090.00616.83
7.2.30.0060.00916.76
7.2.20.0060.00516.90
7.2.10.0080.00816.77
7.2.00.0060.00717.53
7.1.330.0090.00315.76
7.1.320.0050.01015.71
7.1.310.0030.01115.88
7.1.300.0050.00615.73
7.1.290.0070.00715.77
7.1.280.0030.01215.89
7.1.270.0070.00415.82
7.1.260.0030.00615.82
7.1.250.0070.01015.85
7.1.240.0070.00615.91
7.1.230.0060.00615.95
7.1.220.0050.00515.75
7.1.210.0020.00915.88
7.1.200.0030.01015.84
7.1.190.0050.00815.87
7.1.180.0060.00615.96
7.1.170.0080.00615.64
7.1.160.0050.00615.78
7.1.150.0070.00515.84
7.1.140.0080.00715.79
7.1.130.0090.00415.81
7.1.120.0040.00915.79
7.1.110.0070.00715.67
7.1.100.0060.00516.64
7.1.90.0060.00815.70
7.1.80.0060.00615.78
7.1.70.0070.00516.30
7.1.60.0060.01117.21
7.1.50.0080.00516.25
7.1.40.0090.00715.72
7.1.30.0040.00915.76
7.1.20.0060.00815.88
7.1.10.0060.00815.88
7.1.00.0040.01717.99
7.0.330.0050.00615.43
7.0.320.0060.00815.53
7.0.310.0030.00715.37
7.0.300.0020.01015.57
7.0.290.0070.00615.39
7.0.280.0060.00415.47
7.0.270.0080.00315.26
7.0.260.0030.01015.38
7.0.250.0080.00415.43
7.0.240.0030.00615.53
7.0.230.0020.01215.42
7.0.220.0050.00315.48
7.0.210.0060.00615.46
7.0.200.0040.00815.90
7.0.190.0040.00715.35
7.0.180.0030.00815.52
7.0.170.0030.00915.44
7.0.160.0040.00715.42
7.0.150.0070.00515.50
7.0.140.0040.02817.64
7.0.130.0070.00715.24
7.0.120.0020.00915.45
7.0.110.0050.00515.54
7.0.100.0050.02517.02
7.0.90.0070.03416.92
7.0.80.0040.03316.86
7.0.70.0090.03216.89
7.0.60.0050.03216.94
7.0.50.0020.02517.20
7.0.40.0020.02815.74
7.0.30.0080.03115.43
7.0.20.0060.02215.71
7.0.10.0100.02915.77
7.0.00.0040.03315.75
5.6.400.0030.00714.48
5.6.390.0000.00814.14
5.6.380.0080.00514.23
5.6.370.0090.00314.10
5.6.360.0090.00314.48
5.6.350.0000.01114.47
5.6.340.0080.00314.24
5.6.330.0070.00514.45
5.6.320.0060.00614.26
5.6.310.0060.00813.90
5.6.300.0070.00714.35
5.6.290.0070.00314.16
5.6.280.0060.03016.57
5.6.270.0060.00514.30
5.6.260.0020.00914.33
5.6.250.0060.03316.34
5.6.240.0070.02916.27
5.6.230.0030.03316.53
5.6.220.0060.03316.45
5.6.210.0090.02916.31
5.6.200.0030.03616.44
5.6.190.0070.02516.36
5.6.180.0040.03216.48
5.6.170.0080.03016.56
5.6.160.0070.03016.52
5.6.150.0060.03216.51
5.6.140.0050.02216.51
5.6.130.0020.03816.44
5.6.120.0120.02616.30
5.6.110.0060.02116.43
5.6.100.0060.03016.46
5.6.90.0060.02916.51
5.6.80.0040.03716.27
5.6.70.0070.03116.19
5.6.60.0070.03016.22
5.6.50.0080.02916.33
5.6.40.0060.03216.24
5.6.30.0050.02216.29
5.6.20.0070.02916.42
5.6.10.0060.03316.33
5.6.00.0030.03016.18
5.5.380.0110.02415.24
5.5.370.0070.02915.18
5.5.360.0090.02715.21
5.5.350.0070.01815.21
5.5.340.0080.03015.23
5.5.330.0060.03415.44
5.5.320.0040.03515.31
5.5.310.0030.03515.35
5.5.300.0030.03215.29
5.5.290.0060.03115.37
5.5.280.0080.02815.21
5.5.270.0060.02915.31
5.5.260.0020.03515.34
5.5.250.0060.03115.11
5.5.240.0050.02215.06
5.5.230.0070.03214.97
5.5.220.0090.02915.09
5.5.210.0070.02915.13
5.5.200.0070.02414.98
5.5.190.0070.02915.00
5.5.180.0070.02215.02
5.5.170.0050.00512.55
5.5.160.0060.02915.06
5.5.150.0070.02615.15
5.5.140.0060.03015.10
5.5.130.0080.02615.14
5.5.120.0040.02214.96
5.5.110.0080.02715.08
5.5.100.0080.01915.12
5.5.90.0080.02914.95
5.5.80.0050.02714.87
5.5.70.0080.02914.95
5.5.60.0090.02614.89
5.5.50.0070.02915.00
5.5.40.0070.02915.05
5.5.30.0080.02815.03
5.5.20.0060.02615.08
5.5.10.0060.03115.08
5.5.00.0080.02614.96
5.4.450.0100.02714.22
5.4.440.0070.02814.14
5.4.430.0040.02514.30
5.4.420.0010.03414.34
5.4.410.0040.03114.12
5.4.400.0030.03114.16
5.4.390.0070.02714.12
5.4.380.0030.02814.01
5.4.370.0090.02714.20
5.4.360.0040.03114.15
5.4.350.0060.02814.04
5.4.340.0030.03014.14
5.4.330.0020.00711.69
5.4.320.0070.02214.01
5.4.310.0060.02714.08
5.4.300.0070.02414.14
5.4.290.0030.02914.11
5.4.280.0060.02714.12
5.4.270.0060.02814.08
5.4.260.0080.02714.13
5.4.250.0040.02814.06
5.4.240.0060.02814.04
5.4.230.0030.02514.09
5.4.220.0050.03114.08
5.4.210.0070.02714.04
5.4.200.0070.02813.90
5.4.190.0080.02514.18
5.4.180.0060.02814.06
5.4.170.0030.03013.91
5.4.160.0060.02914.09
5.4.150.0070.02914.13
5.4.140.0070.02713.09
5.4.130.0030.02013.22
5.4.120.0080.02513.22
5.4.110.0010.02913.22
5.4.100.0060.02813.06
5.4.90.0070.02413.15
5.4.80.0070.02713.18
5.4.70.0100.02513.08
5.4.60.0050.02413.09
5.4.50.0010.02313.27
5.4.40.0030.02913.15
5.4.30.0090.01913.18
5.4.20.0050.02813.08
5.4.10.0060.02513.07
5.4.00.0040.03012.95
5.3.290.0040.02812.51
5.3.280.0020.03112.41
5.3.270.0040.02812.46
5.3.260.0060.02512.46
5.3.250.0070.02512.42
5.3.240.0030.03012.38
5.3.230.0050.02812.42
5.3.220.0050.02912.37
5.3.210.0030.02812.43
5.3.200.0060.02512.36
5.3.190.0060.02612.40
5.3.180.0070.02512.46
5.3.170.0060.02312.46
5.3.160.0070.02512.40
5.3.150.0060.02712.39
5.3.140.0040.02812.39
5.3.130.0050.02212.49
5.3.120.0040.02512.40
5.3.110.0060.02612.35
5.3.100.0090.02512.20
5.3.90.0060.02012.24
5.3.80.0040.02412.20
5.3.70.0010.02712.20
5.3.60.0030.03212.28
5.3.50.0040.02712.18
5.3.40.0020.03012.22
5.3.30.0070.02212.15
5.3.20.0060.02612.11
5.3.10.0040.02312.02
5.3.00.0030.01712.02
5.2.170.0070.01810.27
5.2.160.0020.03510.16
5.2.150.0060.03010.22
5.2.140.0020.02110.24
5.2.130.0090.01410.16
5.2.120.0060.03410.24
5.2.110.0020.02510.04
5.2.100.0020.03710.19
5.2.90.0050.02510.15
5.2.80.0030.02710.11
5.2.70.0080.02310.15
5.2.60.0030.03310.08
5.2.50.0110.03010.16
5.2.40.0070.03010.20
5.2.30.0040.03410.07
5.2.20.0020.0199.98
5.2.10.0030.03310.13
5.2.00.0100.02710.04
5.1.60.0050.0279.69
5.1.50.0030.0289.74
5.1.40.0100.0309.79
5.1.30.0150.0279.69
5.1.20.0070.0299.74
5.1.10.0100.0289.74
5.1.00.0070.0289.62
5.0.50.0030.0239.37
5.0.40.0030.0239.37
5.0.30.0060.0339.37
5.0.20.0080.0189.37
5.0.10.0070.0229.37
5.0.00.0080.0289.37
4.4.90.0100.0149.37
4.4.80.0000.0229.37
4.4.70.0020.0189.37
4.4.60.0040.0199.37
4.4.50.0030.0209.37
4.4.40.0060.0229.37
4.4.30.0050.0109.37
4.4.20.0070.0179.37
4.4.10.0060.0159.37
4.4.00.0080.0259.37
4.3.110.0020.0199.37
4.3.100.0030.0189.37
4.3.90.0050.0139.37
4.3.80.0070.0189.37
4.3.70.0000.0189.37
4.3.60.0030.0199.37
4.3.50.0070.0159.37
4.3.40.0020.0209.37
4.3.30.0020.0199.37
4.3.20.0060.0179.37
4.3.10.0010.0199.37
4.3.00.0020.0189.37

preferences:
43.17 ms | 400 KiB | 5 Q