3v4l.org

run code in 500+ PHP versions simultaneously
<?php $str = "{{{ a { b } c }} d &#123;&#123; e &#123; f &#x7d;&#x7d;&#x7d;&#x7d; g"; echo "\nstd: " . $str; function interpol_escape($value) { return str_replace( ['{', '}', '&#123;', '&#125;', '&#x7b;', '&#x7d;' ], ['{ ', '} ', '&#123; ', '&#125; ', '&#x7b; ', '&#x7d; '], $value ); } echo "\nstr: " . interpol_escape($str); function interpol_regex($value) { return preg_replace('/({|}|&#123;|&#125;|&#x7b;|&#x7d;)(?=\S)/', '$1 ', $value); } echo "\nreg: " . interpol_regex($str); echo "\nexp: { { { a { b } c } } d &#123; &#123; e &#123; f &#x7d; &#x7d; &#x7d; &#x7d; 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)
8.5.30.0110.00619.20
8.5.20.0080.00919.56
8.5.10.0120.00616.89
8.5.00.0160.00520.14
8.4.180.0120.01119.56
8.4.170.0130.00820.54
8.4.160.0150.00821.68
8.4.150.0070.00616.89
8.4.140.0140.00717.57
8.4.130.0120.00818.05
8.4.120.0120.00720.70
8.4.110.0080.00322.27
8.4.100.0090.01217.83
8.4.90.0130.00818.77
8.4.80.0120.00517.87
8.4.70.0060.00317.82
8.4.60.0150.00518.82
8.4.50.0120.00819.79
8.4.40.0120.00917.78
8.4.30.0090.00919.67
8.4.20.0100.00617.91
8.4.10.0080.01217.70
8.3.300.0120.01020.77
8.3.290.0150.00522.87
8.3.280.0150.00518.53
8.3.270.0110.00816.57
8.3.260.0100.00916.49
8.3.250.0110.00818.93
8.3.240.0130.00516.93
8.3.230.0040.00516.69
8.3.220.0130.00617.01
8.3.210.0140.00516.69
8.3.200.0050.00516.87
8.3.190.0090.00816.89
8.3.180.0050.00416.54
8.3.170.0120.00318.86
8.3.160.0030.01516.81
8.3.150.0030.00620.81
8.3.140.0040.00816.69
8.3.130.0050.01118.57
8.3.120.0080.00019.12
8.3.110.0150.00320.94
8.3.100.0040.01116.91
8.3.90.0080.00016.62
8.3.80.0060.00318.43
8.3.70.0200.00016.75
8.3.60.0140.00718.43
8.3.50.0080.00718.50
8.3.40.0040.01118.84
8.3.30.0120.00318.97
8.3.20.0040.00421.82
8.3.10.0040.00423.66
8.3.00.0040.00423.73
8.2.300.0070.01318.26
8.2.290.0040.00420.76
8.2.280.0060.00918.75
8.2.270.0120.00317.00
8.2.260.0040.00418.42
8.2.250.0060.00916.65
8.2.240.0060.00318.84
8.2.230.0080.00022.58
8.2.220.0080.00024.06
8.2.210.0000.00826.77
8.2.200.0090.00018.54
8.2.190.0120.00916.75
8.2.180.0090.00616.75
8.2.170.0100.00718.96
8.2.160.0100.00322.96
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00421.16
8.2.120.0070.00026.35
8.2.110.0000.01119.37
8.2.100.0000.01117.97
8.2.90.0000.00817.91
8.2.80.0090.00019.01
8.2.70.0060.00317.93
8.2.60.0050.00317.92
8.2.50.0030.00518.10
8.2.40.0090.00019.22
8.2.30.0040.00419.35
8.2.20.0000.00718.09
8.2.10.0040.00418.04
8.2.00.0030.00618.09
8.1.340.0100.01317.80
8.1.330.0140.00521.88
8.1.320.0120.00815.91
8.1.310.0040.01116.84
8.1.300.0030.00618.30
8.1.290.0030.00718.88
8.1.280.0110.00425.92
8.1.270.0080.00023.87
8.1.260.0080.00026.35
8.1.250.0090.00028.09
8.1.240.0070.00321.12
8.1.230.0000.01120.97
8.1.220.0000.00817.74
8.1.210.0090.00018.95
8.1.200.0030.00617.48
8.1.190.0090.00317.38
8.1.180.0000.00718.10
8.1.170.0040.00418.71
8.1.160.0000.00718.89
8.1.150.0030.00518.66
8.1.140.0040.00417.61
8.1.130.0030.00320.82
8.1.120.0000.00717.55
8.1.110.0000.00817.53
8.1.100.0000.00717.58
8.1.90.0040.00417.48
8.1.80.0030.00517.45
8.1.70.0000.00717.53
8.1.60.0000.00917.77
8.1.50.0000.00817.68
8.1.40.0000.00817.54
8.1.30.0080.00417.64
8.1.20.0080.00017.68
8.1.10.0040.00417.56
8.1.00.0040.00417.64
8.0.300.0040.00419.96
8.0.290.0060.00316.88
8.0.280.0000.00818.47
8.0.270.0080.00017.35
8.0.260.0050.00317.23
8.0.250.0030.00317.01
8.0.240.0040.00617.02
8.0.230.0000.00717.11
8.0.220.0070.00016.88
8.0.210.0030.00416.93
8.0.200.0030.00317.07
8.0.190.0000.00717.02
8.0.180.0040.00417.02
8.0.170.0040.00416.93
8.0.160.0070.00017.07
8.0.150.0000.01117.04
8.0.140.0000.00816.86
8.0.130.0000.00613.49
8.0.120.0060.00316.93
8.0.110.0040.00417.03
8.0.100.0080.00017.06
8.0.90.0000.00816.86
8.0.80.0040.01117.02
8.0.70.0050.00216.81
8.0.60.0030.00517.00
8.0.50.0000.00716.82
8.0.30.0120.00617.13
8.0.20.0140.00517.40
8.0.10.0070.00016.92
8.0.00.0120.00917.04
7.4.330.0040.00015.55
7.4.320.0000.00616.65
7.4.300.0000.00616.77
7.4.290.0030.00316.82
7.4.280.0060.00316.63
7.4.270.0070.00016.58
7.4.260.0040.00416.73
7.4.250.0080.00016.81
7.4.240.0030.00316.64
7.4.230.0030.00316.72
7.4.220.0030.00316.74
7.4.210.0050.00916.87
7.4.200.0030.00316.92
7.4.160.0110.01116.77
7.4.140.0130.00717.86
7.4.130.0060.01216.88
7.4.120.0070.01016.73
7.4.110.0030.01516.68
7.4.100.0070.01716.86
7.4.90.0090.00916.73
7.4.80.0210.00619.39
7.4.70.0120.00616.71
7.4.60.0070.01016.40
7.4.50.0060.00716.84
7.4.40.0140.00716.59
7.4.00.0120.00315.00
7.3.330.0000.00513.32
7.3.320.0000.00713.38
7.3.310.0040.00416.46
7.3.300.0040.00316.42
7.3.290.0070.00016.51
7.3.280.0080.01116.49
7.3.260.0120.00616.65
7.3.240.0030.01416.59
7.3.230.0040.01716.63
7.3.210.0110.00716.59
7.3.200.0060.01216.50
7.3.190.0090.00616.70
7.3.180.0130.01016.55
7.3.170.0060.01216.64
7.3.160.0130.00316.46
7.3.120.0000.01215.05
7.3.110.0000.01114.94
7.3.100.0040.01114.96
7.3.90.0030.01314.88
7.3.80.0070.00714.97
7.3.70.0080.00015.04
7.3.60.0030.00914.86
7.3.50.0030.01015.05
7.3.40.0030.00714.98
7.3.30.0110.00015.05
7.3.20.0070.00716.78
7.3.10.0060.01016.96
7.3.00.0090.00616.88
7.2.330.0120.01216.81
7.2.320.0060.01316.70
7.2.310.0150.00916.89
7.2.300.0090.01216.97
7.2.290.0100.01316.85
7.2.240.0030.01315.08
7.2.230.0000.01415.19
7.2.220.0030.01015.10
7.2.210.0070.01015.16
7.2.200.0090.00315.27
7.2.190.0060.00915.00
7.2.180.0070.01115.04
7.2.170.0040.01215.07
7.2.160.0040.01115.02
7.2.150.0080.00817.02
7.2.140.0060.00617.13
7.2.130.0100.00617.05
7.2.120.0000.01516.84
7.2.110.0040.00716.88
7.2.100.0060.00917.04
7.2.90.0100.00316.89
7.2.80.0060.00916.87
7.2.70.0000.01517.04
7.2.60.0160.00616.89
7.2.50.0020.01317.06
7.2.40.0580.01217.92
7.2.30.0040.01317.64
7.2.20.0120.01317.65
7.2.10.0610.01117.61
7.2.00.0720.00917.50
7.1.330.0030.01016.14
7.1.320.0070.00415.88
7.1.310.0050.00515.98
7.1.300.0000.01115.88
7.1.290.0060.00615.63
7.1.280.0060.00615.56
7.1.270.0000.01415.63
7.1.260.0030.00716.09
7.1.250.0040.00815.91
7.1.200.0060.00615.80
7.1.160.0100.01817.13
7.1.150.0400.01017.08
7.1.140.0100.01317.14
7.1.130.0220.01317.26
7.1.120.1060.01316.69
7.1.110.0850.01016.61
7.1.100.0190.01016.62
7.1.90.1030.01016.05
7.1.80.1100.01116.26
7.1.70.1040.01115.25
7.1.60.1190.01533.55
7.1.50.1270.01733.01
7.1.40.1580.01832.84
7.1.30.1550.01532.88
7.1.20.1210.01432.85
7.1.10.1120.01114.89
7.1.00.0100.01515.12

preferences:
109.96 ms | 1651 KiB | 5 Q