3v4l.org

run code in 300+ PHP versions simultaneously
<?php $query = '{{aaa}} {b}'; $query = preg_replace("/\\{\\}(?:,?\\{\\})+/", "{}", $query); var_dump($query);

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)
8.3.70.0180.00016.58
8.3.60.0070.00718.55
8.3.50.0080.01421.27
8.3.40.0000.01518.87
8.3.30.0100.00320.25
8.3.20.0000.00720.33
8.3.10.0000.00822.08
8.3.00.0080.00022.49
8.2.180.0030.01718.54
8.2.170.0070.00722.96
8.2.160.0070.00722.09
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00321.05
8.2.110.0060.00322.20
8.2.100.0090.00317.72
8.2.90.0040.00419.05
8.2.80.0070.00019.39
8.2.70.0000.00817.75
8.2.60.0030.00517.80
8.2.50.0060.00318.07
8.2.40.0040.00418.03
8.2.30.0040.00419.45
8.2.20.0050.00217.62
8.2.10.0050.00217.74
8.2.00.0030.00617.88
8.1.280.0070.01025.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0050.00524.02
8.1.230.0000.01118.99
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0030.00617.38
8.1.190.0080.00017.40
8.1.180.0080.00018.10
8.1.170.0030.00518.71
8.1.160.0040.00418.75
8.1.150.0040.00418.71
8.1.140.0000.00717.54
8.1.130.0070.00017.89
8.1.120.0070.00017.53
8.1.110.0000.00717.49
8.1.100.0060.00317.52
8.1.90.0040.00417.52
8.1.80.0040.00417.41
8.1.70.0000.00717.54
8.1.60.0000.00917.56
8.1.50.0040.00417.60
8.1.40.0000.00717.42
8.1.30.0000.00717.70
8.1.20.0030.00617.62
8.1.10.0020.00517.50
8.1.00.0000.00717.52
8.0.300.0060.00318.77
8.0.290.0000.00717.05
8.0.280.0030.00318.30
8.0.270.0000.00717.17
8.0.260.0030.00316.89
8.0.250.0030.00316.93
8.0.240.0040.00417.05
8.0.230.0050.00316.99
8.0.220.0070.00016.99
8.0.210.0030.00316.97
8.0.200.0000.00717.02
8.0.190.0050.00317.03
8.0.180.0040.00416.92
8.0.170.0000.00816.85
8.0.160.0000.00816.82
8.0.150.0030.00316.93
8.0.140.0000.00816.79
8.0.130.0000.00513.32
8.0.120.0000.00916.89
8.0.110.0000.00816.98
8.0.100.0050.00216.99
8.0.90.0040.00416.97
8.0.80.0090.00616.92
8.0.70.0000.00716.92
8.0.60.0040.00416.86
8.0.50.0050.00216.83
8.0.30.0090.01117.11
8.0.20.0090.00917.40
8.0.10.0040.00417.03
8.0.00.0080.01016.62
7.4.330.0020.00216.71
7.4.320.0000.00616.53
7.4.300.0000.00716.69
7.4.290.0030.00316.77
7.4.280.0070.00016.74
7.4.270.0000.00716.70
7.4.260.0060.00013.36
7.4.250.0070.00016.62
7.4.240.0040.00416.66
7.4.230.0030.00316.48
7.4.220.0110.00816.80
7.4.210.0050.01116.66
7.4.200.0030.00316.75
7.4.190.0000.00716.78
7.4.160.0060.01216.63
7.4.150.0110.00617.40
7.4.140.0110.00917.86
7.4.130.0100.00716.62
7.4.120.0120.00716.51
7.4.110.0120.00616.70
7.4.100.0060.01216.60
7.4.90.0130.00316.65
7.4.80.0040.02019.39
7.4.70.0100.00616.53
7.4.60.0030.01316.82
7.4.50.0060.00316.44
7.4.40.0110.00222.77
7.4.30.0080.00916.38
7.4.00.0090.00915.06
7.3.330.0050.00013.15
7.3.320.0050.00013.18
7.3.310.0070.00016.36
7.3.300.0070.00016.27
7.3.290.0060.00716.33
7.3.280.0060.01116.30
7.3.270.0200.00017.40
7.3.260.0140.00316.30
7.3.250.0110.00616.36
7.3.240.0070.01016.29
7.3.230.0080.00816.52
7.3.210.0030.01316.58
7.3.200.0120.00619.39
7.3.190.0140.00316.56
7.3.180.0070.01016.34
7.3.170.0060.01316.41
7.3.160.0110.00416.31
7.3.120.0100.00615.02
7.2.330.0130.00316.67
7.2.320.0140.00716.72
7.2.310.0070.01116.71
7.2.300.0030.01416.69
7.2.290.0060.01016.76
7.2.60.0070.01016.80
7.1.200.0000.01215.91
7.1.70.0040.00416.99
7.1.60.0070.01419.17
7.1.50.0090.01216.82
7.1.00.0000.03322.37
7.0.200.0030.01016.81
7.0.140.0070.07021.90
7.0.60.0170.06720.02
7.0.50.0100.04017.82
7.0.40.0130.08720.05
7.0.30.0270.07020.02
7.0.20.0230.07020.32
7.0.10.0100.07020.18
7.0.00.0100.08320.34
5.6.280.0070.07021.10
5.6.210.0100.08320.46
5.6.200.0100.03318.21
5.6.190.0070.04020.45
5.6.180.0330.07720.59
5.6.170.0230.03320.52
5.6.160.0070.05720.47
5.6.150.0070.06018.08
5.6.140.0100.04318.11
5.6.130.0100.08318.17
5.6.120.0130.03720.96
5.6.110.0100.07321.04
5.6.100.0100.08020.95
5.6.90.0130.05320.95
5.6.80.0100.07020.37
5.5.350.0100.06720.37
5.5.340.0070.08018.01
5.5.330.0100.03720.25
5.5.320.0130.06720.31
5.5.310.0300.07320.21
5.5.300.0070.08717.91
5.5.290.0070.06018.01
5.5.280.0130.07720.96
5.5.270.0030.08720.96
5.5.260.0100.04320.77
5.5.250.0170.05320.45
5.5.240.0430.06320.18
5.4.450.0200.05319.41
5.4.440.0270.07019.41
5.4.430.0130.04019.41
5.4.420.0130.04019.41
5.4.410.0130.04319.13
5.4.400.0230.03019.13
5.4.390.0170.03719.25
5.4.380.0170.03319.21
5.4.370.0130.03719.13
5.4.360.0170.03319.06
5.4.350.0170.03719.16
5.4.340.0100.04318.81
5.4.320.0100.05019.09
5.4.310.0200.03719.09
5.4.300.0230.04019.13
5.4.290.0130.04019.24
5.4.280.0070.04319.09
5.4.270.0230.03018.79
5.4.260.0030.05318.89
5.4.250.0170.07019.02
5.4.240.0200.05319.09
5.4.230.0200.07719.21
5.4.220.0170.03719.12
5.4.210.0200.03719.22
5.4.200.0100.06019.09
5.4.190.0000.06719.07
5.4.180.0100.03018.77
5.4.170.0070.07019.04
5.4.160.0070.03719.21
5.4.150.0030.08019.07
5.4.140.0030.07316.50
5.4.130.0100.06716.17
5.4.120.0100.06016.29
5.4.110.0030.05016.43
5.4.100.0070.06716.39
5.4.90.0030.06716.41
5.4.80.0000.06316.39
5.4.70.0070.03716.05
5.4.60.0030.04016.45
5.4.50.0030.04316.50
5.4.40.0000.07316.31
5.4.30.0170.03316.46
5.4.20.0000.04316.36
5.4.10.0070.04016.20
5.4.00.0030.07015.93
5.3.290.0200.03014.52
5.3.280.0200.08014.54
5.3.270.0000.06014.55
5.3.260.0000.04714.46
5.3.250.0070.07014.44
5.3.240.0000.06014.66
5.3.230.0000.08014.59
5.3.220.0000.07714.65
5.3.210.0030.07714.50
5.3.200.0100.04714.42
5.3.190.0030.07714.51
5.3.180.0000.06314.39
5.3.170.0000.05314.49
5.3.160.0030.08014.42
5.3.150.0070.06314.43
5.3.140.0030.04314.60
5.3.130.0000.04714.39
5.3.120.0070.04014.38
5.3.110.0000.04714.49
5.3.100.0030.07014.04
5.3.90.0030.04013.88
5.3.80.0000.03713.86
5.3.70.0000.07313.97
5.3.60.0000.05013.96
5.3.50.0000.04713.89
5.3.40.0070.07313.77
5.3.30.0130.04313.95
5.3.20.0030.07313.54
5.3.10.0030.05013.53
5.3.00.0070.06313.41
5.2.170.0100.04012.11
5.2.160.0070.03012.11
5.2.150.0000.06312.11
5.2.140.0030.06012.11
5.2.130.0070.05712.11
5.2.120.0000.05012.11
5.2.110.0070.05712.11
5.2.100.0030.05712.11
5.2.90.0000.03312.11
5.2.80.0030.06312.11
5.2.70.0000.03012.11
5.2.60.0030.03712.11
5.2.50.0000.04012.11
5.2.40.0070.02712.11
5.2.30.0000.03012.11
5.2.20.0100.03012.11
5.2.10.0030.06012.11
5.2.00.0000.06012.11
5.1.60.0000.05712.11
5.1.50.0030.03712.11
5.1.40.0000.04312.11
5.1.30.0030.04012.11
5.1.20.0170.02712.11
5.1.10.0030.04012.11
5.1.00.0000.03012.11
5.0.50.0030.03012.11
5.0.40.0000.02012.11
5.0.30.0000.03312.11
5.0.20.0000.02312.11
5.0.10.0000.02712.11
5.0.00.0000.03012.11
4.4.90.0070.01012.11
4.4.80.0000.03012.11
4.4.70.0000.02012.11
4.4.60.0000.02012.11
4.4.50.0000.03312.11
4.4.40.0000.05012.11
4.4.30.0000.02012.11
4.4.20.0000.01712.11
4.4.10.0000.01712.11
4.4.00.0000.03012.11
4.3.110.0000.02012.11
4.3.100.0000.01712.11
4.3.90.0000.02012.11
4.3.80.0030.02312.11
4.3.70.0000.01712.11
4.3.60.0070.03012.11
4.3.50.0000.02712.11
4.3.40.0000.03312.11
4.3.30.0030.03312.11
4.3.20.0000.04012.11
4.3.10.0000.03012.11
4.3.00.0000.03312.11

preferences:
43.13 ms | 401 KiB | 5 Q