3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = '/^"(*SKIP)(*F)|"([^"]*)"/'; $str = "\"something \"something something\" and then \"something\" something \"\" test\""; echo preg_replace($pattern, "$1", $str);

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)
8.4.140.0100.01217.58
8.4.130.0130.00717.75
8.4.120.0070.00222.43
8.4.110.0140.00718.61
8.4.100.0080.00718.00
8.4.90.0140.00718.03
8.4.80.0130.00818.04
8.4.70.0060.00317.89
8.4.60.0120.00818.67
8.4.50.0060.00320.75
8.4.40.0130.00617.80
8.4.30.0130.00617.90
8.4.20.0030.00619.66
8.4.10.0030.00718.05
8.3.270.0100.01116.52
8.3.260.0140.00516.69
8.3.250.0110.00818.90
8.3.240.0100.01016.54
8.3.230.0050.00316.43
8.3.220.0130.00617.21
8.3.210.0130.00716.71
8.3.200.0110.00816.87
8.3.190.0110.00716.83
8.3.180.0120.00716.55
8.3.170.0050.00318.92
8.3.160.0050.00320.09
8.3.150.0110.00716.68
8.3.140.0080.00019.02
8.3.130.0080.00018.30
8.3.120.0040.00420.54
8.3.110.0080.00020.94
8.3.100.0060.00316.51
8.3.90.0130.00626.77
8.3.80.0040.00416.50
8.3.70.0040.01116.75
8.3.60.0160.00618.55
8.3.50.0100.00317.48
8.3.40.0090.00618.96
8.3.30.0150.00018.83
8.3.20.0080.00018.98
8.3.10.0040.00419.00
8.3.00.0040.00417.65
8.2.290.0100.00820.62
8.2.280.0080.01218.38
8.2.270.0060.01218.89
8.2.260.0060.00316.53
8.2.250.0100.00716.93
8.2.240.0070.00717.08
8.2.230.0070.00322.58
8.2.220.0040.00424.06
8.2.210.0030.00626.77
8.2.200.0050.00518.66
8.2.190.0110.01116.63
8.2.180.0090.00618.38
8.2.170.0130.00719.04
8.2.160.0070.01122.96
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.95
8.2.110.0060.00321.22
8.2.100.0090.00318.03
8.2.90.0050.00318.03
8.2.80.0040.00417.97
8.2.70.0080.00017.80
8.2.60.0000.00818.03
8.2.50.0090.00018.10
8.2.40.0040.00419.34
8.2.30.0040.00419.28
8.2.20.0040.00418.08
8.2.10.0000.00718.05
8.2.00.0040.00419.27
8.1.330.0110.00716.48
8.1.320.0120.00716.18
8.1.310.0000.00818.45
8.1.300.0090.00920.25
8.1.290.0090.00430.84
8.1.280.0140.00725.92
8.1.270.0040.00424.04
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00322.14
8.1.230.0070.00420.93
8.1.220.0000.00817.74
8.1.210.0000.01018.77
8.1.200.0040.00417.35
8.1.190.0050.00317.38
8.1.180.0080.00018.10
8.1.170.0000.00818.62
8.1.160.0060.00319.04
8.1.150.0000.00718.84
8.1.140.0040.00417.64
8.1.130.0080.00017.54
8.1.120.0000.00717.52
8.1.110.0000.00717.43
8.1.100.0040.00417.50
8.1.90.0000.00817.44
8.1.80.0040.00417.57
8.1.70.0030.00617.51
8.1.60.0030.00617.71
8.1.50.0050.00317.56
8.1.40.0040.00417.61
8.1.30.0000.00717.63
8.1.20.0030.00517.71
8.1.10.0050.00217.52
8.1.00.0000.00717.59
8.0.300.0040.00420.02
8.0.290.0090.00016.75
8.0.280.0000.00718.38
8.0.270.0030.00317.32
8.0.260.0070.00016.96
8.0.250.0000.00617.00
8.0.240.0100.00017.12
8.0.230.0000.00716.92
8.0.220.0070.00016.95
8.0.210.0080.00017.00
8.0.200.0000.00617.02
8.0.190.0040.00416.93
8.0.180.0000.01016.88
8.0.170.0030.00616.98
8.0.160.0040.00817.04
8.0.150.0040.00416.91
8.0.140.0030.00316.98
8.0.130.0030.00613.37
8.0.120.0040.00416.96
8.0.110.0000.00716.99
8.0.100.0000.00716.86
8.0.90.0000.00716.94
8.0.80.0120.01016.97
8.0.70.0040.00416.81
8.0.60.0000.00916.95
8.0.50.0050.00317.00
8.0.30.0140.00617.20
8.0.20.0080.01117.40
8.0.10.0060.00316.98
8.0.00.0080.01216.91
7.4.330.0030.00315.55
7.4.320.0030.00316.76
7.4.300.0000.00616.79
7.4.290.0030.00316.79
7.4.280.0050.00316.74
7.4.270.0030.00316.60
7.4.260.0030.00316.68
7.4.250.0040.00416.73
7.4.240.0030.00616.77
7.4.230.0000.00716.50
7.4.220.0000.00816.70
7.4.210.0140.00316.76
7.4.200.0050.00216.64
7.4.160.0070.00916.64
7.4.140.0120.00617.86
7.4.130.0080.00916.46
7.4.120.0090.00916.63
7.4.110.0100.01016.63
7.4.100.0030.01316.81
7.4.90.0070.01116.70
7.4.80.0080.00919.39
7.4.70.0060.01216.55
7.4.60.0050.01416.59
7.4.50.0100.00016.61
7.4.40.0110.01216.57
7.4.00.0030.01015.15
7.3.330.0060.00013.12
7.3.320.0000.00613.13
7.3.310.0060.00016.34
7.3.300.0000.00716.32
7.3.290.0000.00716.28
7.3.280.0060.01116.32
7.3.260.0120.01516.32
7.3.240.0090.00816.56
7.3.230.0170.00016.66
7.3.210.0100.01016.20
7.3.200.0070.01316.46
7.3.190.0090.00616.43
7.3.180.0150.00016.81
7.3.170.0100.00716.60
7.3.160.0130.00316.52
7.3.10.0230.00316.55
7.3.00.0100.00716.48
7.2.330.0100.00716.71
7.2.320.0100.01016.68
7.2.310.0100.01316.60
7.2.300.0060.01016.60
7.2.290.0170.00716.75
7.2.130.0130.00816.68
7.2.120.0070.00716.63
7.2.110.0080.00816.77
7.2.100.0140.00716.55
7.2.90.0120.00616.67
7.2.80.0100.01016.50
7.2.70.0090.00916.75
7.2.60.2140.01215.97
7.2.50.2190.01515.97
7.2.40.1430.00816.05
7.2.30.2670.01016.06
7.2.20.2860.01015.95
7.2.10.2990.00916.24
7.2.00.2520.01016.23
7.1.250.0090.00015.54
7.1.200.0040.01115.86
7.1.170.4790.00713.85
7.1.160.3190.00816.84
7.1.150.5740.01116.93
7.1.140.5270.01216.66
7.1.130.4860.01617.07
7.1.120.2980.01016.91
7.1.110.1750.00816.14
7.1.100.1970.01416.23
7.1.90.1550.01216.67
7.1.80.1610.01116.54
7.1.70.1730.01115.19
7.1.60.6680.01533.38
7.1.50.6300.01233.23
7.1.40.6070.01132.91
7.1.30.5310.01732.59
7.1.20.3800.01532.89
7.1.10.4140.01314.82
7.1.00.3090.00715.10

preferences:
130.68 ms | 403 KiB | 5 Q