3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = 'lorem ipsum'; $pattern = '/lorem/'; $value = 'test $0'; echo preg_replace($pattern, preg_replace('/\$(\d+)/', '\\\$$1', $value), $text);

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)
8.5.00.0110.01119.91
8.4.150.0010.00114.05
8.4.140.0150.01117.98
8.4.130.0090.01118.82
8.4.120.0110.00224.21
8.4.110.0120.00718.86
8.4.100.0140.00718.54
8.4.90.0130.00720.45
8.4.80.0120.00818.90
8.4.70.0080.00818.82
8.4.60.0120.00820.34
8.4.50.0040.00718.57
8.4.40.0140.00719.34
8.4.30.0100.01019.14
8.4.20.0140.00320.55
8.4.10.0060.01318.72
8.3.280.0110.00918.66
8.3.270.0090.01116.47
8.3.260.0130.00816.77
8.3.250.0030.00618.69
8.3.240.0120.00817.05
8.3.230.0080.00816.81
8.3.220.0050.00318.92
8.3.210.0100.00816.55
8.3.200.0050.00416.63
8.3.190.0080.00317.13
8.3.180.0150.00420.62
8.3.170.0070.01117.20
8.3.160.0150.00416.80
8.3.150.0040.01516.77
8.3.140.0110.00716.79
8.3.130.0150.00016.83
8.3.120.0050.00320.78
8.3.110.0080.00020.94
8.3.100.0110.00424.06
8.3.90.0120.00326.77
8.3.80.0070.00418.31
8.3.70.0100.01016.63
8.3.60.0120.00318.68
8.3.50.0100.00717.54
8.3.40.0060.01218.80
8.3.30.0150.00618.77
8.3.20.0050.00221.80
8.3.10.0080.00021.85
8.3.00.0080.00021.86
8.2.290.0050.01320.32
8.2.280.0090.01018.39
8.2.270.0040.01517.00
8.2.260.0030.01417.12
8.2.250.0000.00816.56
8.2.240.0030.00617.06
8.2.230.0090.00022.58
8.2.220.0080.00037.54
8.2.210.0080.00026.77
8.2.200.0030.00618.41
8.2.190.0170.00318.21
8.2.180.0100.00717.00
8.2.170.0120.00422.96
8.2.160.0100.00320.94
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0080.00019.21
8.2.120.0080.00026.35
8.2.110.0030.00621.25
8.2.100.0150.00018.03
8.2.90.0040.00419.18
8.2.80.0030.00617.97
8.2.70.0040.00417.75
8.2.60.0050.00317.80
8.2.50.0080.00018.07
8.2.40.0050.00318.22
8.2.30.0000.00817.89
8.2.20.0000.00718.07
8.2.10.0000.00818.02
8.2.00.0080.00019.52
8.1.330.0110.00921.77
8.1.320.0130.00616.59
8.1.310.0070.00016.79
8.1.300.0050.00518.16
8.1.290.0040.00430.84
8.1.280.0060.00925.92
8.1.270.0030.00620.77
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00419.34
8.1.230.0080.00420.97
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0100.00017.35
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0070.00018.62
8.1.160.0050.00218.83
8.1.150.0000.00820.55
8.1.140.0070.00022.20
8.1.130.0070.00020.09
8.1.120.0000.00817.53
8.1.110.0030.00317.53
8.1.100.0000.00717.54
8.1.90.0030.00617.42
8.1.80.0050.00217.54
8.1.70.0030.00517.51
8.1.60.0050.00317.65
8.1.50.0040.00417.61
8.1.40.0070.00017.52
8.1.30.0030.00517.57
8.1.20.0000.00717.68
8.1.10.0080.00017.66
8.1.00.0050.00217.48
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0000.00718.37
8.0.270.0070.00016.95
8.0.260.0000.00718.43
8.0.250.0030.00317.10
8.0.240.0030.00317.05
8.0.230.0070.00017.03
8.0.220.0070.00016.87
8.0.210.0000.00716.98
8.0.200.0030.00316.91
8.0.190.0030.00617.03
8.0.180.0080.00016.88
8.0.170.0080.00016.91
8.0.160.0000.00716.95
8.0.150.0040.00416.98
8.0.140.0040.00416.91
8.0.130.0060.00013.36
8.0.120.0040.00416.93
8.0.110.0030.00516.97
8.0.100.0000.00716.92
8.0.90.0000.00816.98
8.0.80.0110.00417.00
8.0.70.0000.00716.84
8.0.60.0000.00716.98
8.0.50.0070.00017.02
8.0.30.0110.00917.28
8.0.20.0110.00817.40
8.0.10.0070.00017.20
8.0.00.0050.01416.94
7.4.330.0020.00216.78
7.4.320.0030.00316.59
7.4.300.0060.00016.63
7.4.290.0030.00316.71
7.4.280.0070.00016.62
7.4.270.0070.00016.74
7.4.260.0030.00316.65
7.4.250.0000.00816.74
7.4.240.0070.00016.63
7.4.230.0050.00216.72
7.4.220.0000.00716.54
7.4.210.0060.01116.77
7.4.200.0000.00716.84
7.4.160.0070.01116.54
7.4.140.0140.00717.86
7.4.130.0070.01116.64
7.4.120.0090.00716.54
7.4.110.0070.01116.71
7.4.100.0130.00616.75
7.4.90.0060.01016.50
7.4.80.0060.00919.39
7.4.70.0070.01016.59
7.4.60.0110.00616.48
7.4.50.0000.01116.48
7.4.40.0130.00316.60
7.4.10.0120.00214.81
7.4.00.0060.01014.97
7.3.330.0000.00713.11
7.3.320.0000.00613.11
7.3.310.0000.00716.21
7.3.300.0040.00416.15
7.3.290.0070.00016.26
7.3.280.0070.00916.29
7.3.260.0140.00716.39
7.3.240.0130.00916.37
7.3.230.0100.00716.60
7.3.210.0060.01116.75
7.3.200.0110.00516.66
7.3.190.0080.01516.32
7.3.180.0050.01016.60
7.3.170.0070.01616.43
7.3.160.0090.01216.12
7.3.130.0090.00914.82
7.3.120.0030.01415.07
7.3.110.0030.01315.18
7.3.100.0060.00914.81
7.3.90.0060.00914.70
7.3.80.0090.00014.89
7.3.70.0080.00414.89
7.3.60.0030.01414.71
7.3.50.0060.00314.88
7.3.40.0030.00814.96
7.3.30.0090.00314.66
7.3.20.0040.01116.63
7.3.10.0050.01116.57
7.3.00.0050.00316.69
7.2.330.0130.00316.75
7.2.320.0060.01616.64
7.2.310.0060.01216.66
7.2.300.0110.00616.57
7.2.290.0130.00316.79
7.2.260.0060.01214.79
7.2.250.0140.00314.89
7.2.240.0080.00414.88
7.2.230.0040.01114.91
7.2.220.0080.00814.97
7.2.210.0030.00615.05
7.2.200.0030.00715.27
7.2.190.0030.01414.94
7.2.180.0030.00615.14
7.2.170.0030.00714.75
7.2.160.0060.00814.89
7.2.150.0060.00916.92
7.2.140.0030.01016.95
7.2.130.0050.00616.66
7.2.120.0400.00716.23
7.2.110.0480.00616.18
7.2.100.0440.00816.18
7.2.90.0450.00716.04
7.2.80.0400.01016.20
7.2.70.0400.00616.29
7.2.60.0310.01016.34
7.2.50.0550.00816.36
7.2.40.0330.00716.31
7.2.30.0520.00816.35
7.2.20.0440.00616.38
7.2.10.0570.00516.32
7.2.00.0530.00716.27
7.1.330.0110.00415.79
7.1.320.0110.00715.68
7.1.310.0030.01315.80
7.1.300.0050.00315.68
7.1.290.0120.00315.63
7.1.280.0000.01116.05
7.1.270.0030.00715.83
7.1.260.0080.00415.96
7.1.250.0070.00715.69
7.1.240.0070.00715.69
7.1.230.0060.00315.73
7.1.220.0030.00615.91
7.1.210.0070.00715.66
7.1.200.0040.01215.84
7.1.190.0070.00315.87
7.1.180.0070.00415.88
7.1.170.0060.00315.88
7.1.160.0000.00915.83
7.1.150.0030.00615.93
7.1.140.0060.00615.70
7.1.130.0070.00715.96
7.1.120.0030.01315.98
7.1.110.0120.00416.04
7.1.100.0030.01016.07
7.1.90.0050.00915.65
7.1.80.0050.00515.85
7.1.70.0030.01215.86
7.1.60.0000.01516.02
7.1.50.0040.00815.86
7.1.40.0110.00416.00
7.1.30.0110.00615.93
7.1.20.0140.00015.70
7.1.10.0120.00016.02
7.1.00.0030.00615.71
7.0.330.0060.00615.09
7.0.320.0040.00415.38
7.0.310.0070.00315.48
7.0.300.0030.00715.39
7.0.290.0100.00315.29
7.0.280.0030.00815.38
7.0.270.0080.00615.50
7.0.260.0030.00615.39
7.0.250.0150.00015.45
7.0.240.0040.01115.08
7.0.230.0000.01415.49
7.0.220.0080.00415.54
7.0.210.0030.00815.57
7.0.200.0100.00315.25
7.0.190.0070.00415.59
7.0.180.0000.01315.33
7.0.170.0080.00815.64
7.0.160.0090.00615.37
7.0.150.0060.00615.57
7.0.140.0030.00815.52
7.0.130.0030.01015.61
7.0.120.0040.00815.47
7.0.110.0070.00715.61
7.0.100.0030.01015.62
7.0.90.0030.00515.43
7.0.80.0080.00415.63
7.0.70.0040.01115.36
7.0.60.0060.00615.61
7.0.50.0060.00615.67
7.0.40.0090.00613.29
7.0.30.0060.00813.49
7.0.20.0110.00013.43
7.0.10.0070.00713.50
7.0.00.0000.01113.43
5.6.400.0000.01614.37
5.6.390.0070.00714.04
5.6.380.0050.01014.12
5.6.370.0070.00413.91
5.6.360.0000.01314.19
5.6.350.0000.01114.49
5.6.340.0030.00614.64
5.6.330.0070.00414.43
5.6.320.0100.00614.02
5.6.310.0080.00814.20
5.6.300.0000.00814.64
5.6.290.0070.00713.98
5.6.280.0100.00314.37
5.6.270.0060.00914.19
5.6.260.0000.01514.18
5.6.250.0100.00314.20
5.6.240.0060.00914.45
5.6.230.0040.00414.33
5.6.220.0000.01314.26
5.6.210.0030.01013.93
5.6.200.0040.01114.21
5.6.190.0070.00714.34
5.6.180.0040.00814.04
5.6.170.0060.00314.20
5.6.160.0040.00814.38
5.6.150.0000.01414.20
5.6.140.0060.00314.21
5.6.130.0030.01014.14
5.6.120.0070.00714.09
5.6.110.0070.00714.10
5.6.100.0090.00014.42
5.6.90.0040.00714.13
5.6.80.0110.00313.97
5.6.70.0100.00014.09
5.6.60.0070.01014.01
5.6.50.0100.00714.12
5.6.40.0030.00613.98
5.6.30.0030.00614.15
5.6.20.0060.00914.49
5.6.10.0120.00314.19
5.6.00.0030.00914.15

preferences:
173.14 ms | 403 KiB | 5 Q