3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'The story is inspired by the Operation Batla House that took place in 2008 '; $tag = '2.0'; $pattern = '/(\s|^)'.preg_quote($tag, '/').'(?=[^a-z^A-Z])/i'; echo preg_replace($pattern, '2.0', $string);

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)
8.4.140.0140.00717.38
8.4.130.0170.00517.87
8.4.120.0080.01320.32
8.4.110.0120.00822.49
8.4.100.0110.01018.08
8.4.90.0100.01020.73
8.4.80.0090.01018.91
8.4.70.0060.00318.83
8.4.60.0130.00720.47
8.4.50.0100.01018.68
8.4.40.0130.00720.57
8.4.30.0000.00824.37
8.4.20.0070.00318.78
8.4.10.0060.00317.86
8.3.270.0100.01016.69
8.3.260.0100.00916.59
8.3.250.0110.00718.86
8.3.240.0170.00218.86
8.3.230.0130.00616.64
8.3.220.0060.01019.02
8.3.210.0100.00816.84
8.3.200.0050.00416.82
8.3.190.0070.00617.20
8.3.180.0110.00718.88
8.3.170.0070.01317.02
8.3.160.0140.00416.77
8.3.150.0070.01116.59
8.3.140.0080.00016.93
8.3.130.0200.00018.43
8.3.120.0030.00620.71
8.3.110.0040.00416.74
8.3.100.0030.01516.54
8.3.90.0000.00826.77
8.3.80.0100.00016.50
8.3.70.0120.00316.75
8.3.60.0110.00718.28
8.3.50.0050.01221.36
8.3.40.0110.00718.91
8.3.30.0120.00318.97
8.3.20.0000.00823.60
8.3.10.0040.00422.04
8.3.00.0030.00523.61
8.2.290.0070.00820.42
8.2.280.0090.01020.34
8.2.270.0120.00618.75
8.2.260.0030.00617.13
8.2.250.0050.00318.77
8.2.240.0080.01118.80
8.2.230.0000.01520.94
8.2.220.0100.00024.06
8.2.210.0000.00826.77
8.2.200.0040.00416.88
8.2.190.0150.00316.88
8.2.180.0120.00325.92
8.2.170.0120.00618.94
8.2.160.0100.00322.96
8.2.150.0060.00324.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0000.00819.66
8.2.110.0060.00319.05
8.2.100.0100.00018.22
8.2.90.0000.00818.22
8.2.80.0040.00418.22
8.2.70.0040.00417.93
8.2.60.0040.00818.09
8.2.50.0030.00518.10
8.2.40.0040.00421.20
8.2.30.0030.00519.29
8.2.20.0030.00518.22
8.2.10.0000.00721.03
8.2.00.0030.00620.57
8.1.330.0120.00721.95
8.1.320.0130.00618.25
8.1.310.0040.00418.51
8.1.300.0070.00317.96
8.1.290.0030.00730.84
8.1.280.0130.00625.92
8.1.270.0000.00921.99
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00723.81
8.1.230.0160.00020.83
8.1.220.0000.00817.77
8.1.210.0050.00318.77
8.1.200.0040.00717.50
8.1.190.0040.00417.25
8.1.180.0080.00018.10
8.1.170.0080.00018.79
8.1.160.0040.00418.97
8.1.150.0020.00518.92
8.1.140.0040.00422.20
8.1.130.0000.00720.24
8.1.120.0000.00717.61
8.1.110.0040.00417.64
8.1.100.0030.00617.60
8.1.90.0070.00017.64
8.1.80.0000.00817.62
8.1.70.0000.00817.49
8.1.60.0090.00017.61
8.1.50.0030.00617.55
8.1.40.0030.00517.57
8.1.30.0050.00517.74
8.1.20.0130.00017.87
8.1.10.0050.00317.72
8.1.00.0050.00217.58
8.0.300.0040.00419.73
8.0.290.0050.00316.88
8.0.280.0000.00718.52
8.0.270.0030.00517.26
8.0.260.0030.00318.58
8.0.250.0000.00717.09
8.0.240.0070.00317.08
8.0.230.0000.00717.09
8.0.220.0000.00716.86
8.0.210.0070.00017.02
8.0.200.0000.00717.13
8.0.190.0030.00317.00
8.0.180.0070.00017.07
8.0.170.0080.00316.97
8.0.160.0050.00216.97
8.0.150.0040.00416.89
8.0.140.0070.00017.00
8.0.130.0030.00313.46
8.0.120.0000.00716.98
8.0.110.0040.00416.86
8.0.100.0000.00717.05
8.0.90.0060.00316.91
8.0.80.0120.00317.01
8.0.70.0000.00717.08
8.0.60.0040.00417.00
8.0.50.0040.00417.04
8.0.30.0080.01017.31
8.0.20.0030.01616.92
8.0.10.0020.00516.95
8.0.00.0090.01116.89
7.4.330.0060.00015.55
7.4.320.0000.00616.68
7.4.300.0000.00616.63
7.4.290.0040.00416.55
7.4.280.0080.00016.72
7.4.270.0070.00016.56
7.4.260.0000.00716.65
7.4.250.0000.00816.54
7.4.240.0010.00716.71
7.4.230.0000.00716.40
7.4.220.0030.00316.49
7.4.210.0060.00816.67
7.4.200.0030.00316.53
7.4.130.0150.00316.42
7.4.120.0060.01216.87
7.4.110.0140.00716.59
7.4.100.0100.00716.46
7.4.90.0060.01216.56
7.4.80.0110.00519.39
7.4.70.0060.01216.59
7.4.60.0060.00916.73
7.4.50.0070.00716.83
7.4.40.0100.00616.47
7.4.10.0060.01215.28
7.4.00.0080.01015.09
7.3.330.0050.00013.25
7.3.320.0060.00013.18
7.3.310.0030.00316.36
7.3.300.0040.00416.26
7.3.290.0040.00416.21
7.3.280.0090.00616.38
7.3.260.0100.01016.67
7.3.240.0120.00916.58
7.3.230.0100.01016.33
7.3.210.0170.00416.44
7.3.200.0110.01316.42
7.3.190.0150.00716.60
7.3.180.0060.01616.50
7.3.170.0060.00916.43
7.3.160.0090.00916.66
7.3.130.0090.00914.86
7.3.120.0070.01014.76
7.3.110.0050.01214.92
7.3.100.0040.01315.03
7.3.90.0090.00714.66
7.3.80.0040.01014.86
7.3.70.0070.00814.93
7.3.60.0070.00514.80
7.3.50.0070.00514.85
7.3.40.0090.00314.85
7.3.30.0050.00814.94
7.3.20.0070.00516.19
7.3.10.0090.00716.22
7.3.00.0090.00616.02
7.2.330.0090.00916.75
7.2.320.0060.01216.63
7.2.310.0060.01516.73
7.2.300.0070.01016.82
7.2.290.0120.00616.64
7.2.260.0110.01115.45
7.2.250.0070.00715.09
7.2.240.0010.01614.96
7.2.230.0030.01415.11
7.2.220.0070.00715.14
7.2.210.0070.00815.06
7.2.200.0060.01015.10
7.2.190.0080.00615.06
7.2.180.0070.00815.12
7.2.170.0070.00915.06
7.2.160.0060.00915.01
7.2.150.0050.01316.12
7.2.140.0060.00716.29
7.2.130.0020.01215.94
7.2.120.0070.00516.04
7.2.110.0160.00315.99
7.2.100.0090.00915.93
7.2.90.0110.00616.16
7.2.80.0070.00715.97
7.2.70.0080.00916.11
7.2.60.0100.01216.09
7.2.50.0150.00716.18
7.2.40.0100.00716.14
7.2.30.0130.00816.20
7.2.20.0090.01016.06
7.2.10.0070.01216.16
7.2.00.0460.01015.94
7.1.330.0090.00615.68
7.1.320.0060.00515.81
7.1.310.0060.01116.02
7.1.300.0080.00715.19
7.1.290.0070.01015.23
7.1.280.0080.00715.14
7.1.270.0070.00915.14
7.1.260.0050.00815.23
7.1.250.0060.00714.96
7.1.240.0070.00715.95
7.1.230.0030.01315.92
7.1.220.0110.00415.90
7.1.210.0040.01115.67
7.1.200.0070.00315.73
7.1.190.0060.00615.68
7.1.180.0030.00615.81
7.1.170.0040.00415.70
7.1.160.0000.01615.61
7.1.150.0160.00315.69
7.1.140.0060.01016.04
7.1.130.0030.00915.68
7.1.120.0050.00515.70
7.1.110.0030.01016.07
7.1.100.0100.00315.95
7.1.90.0110.00315.82
7.1.80.0030.00615.98
7.1.70.0000.00915.99
7.1.60.0030.01015.82
7.1.50.0040.01116.08
7.1.40.0060.00316.01
7.1.30.0040.00415.97
7.1.20.0030.00715.95
7.1.10.0070.00415.83
7.1.00.0040.00415.93

preferences:
138.94 ms | 403 KiB | 5 Q