3v4l.org

run code in 300+ PHP versions simultaneously
<?php $doc_comment = "test\r\nreturns\rare\r\nreplaced as expected"; print "\n\npreg_replace (broken):\n"; var_dump(preg_replace('/\r\n|\r/', '\n', $doc_comment)); print "\n\npreg_replace (fixed):\n"; var_dump(preg_replace('/\r\n|\r/', "\n", $doc_comment)); print "\n\nstr_replace:\n"; var_dump(str_replace(['\r\n', '\r'], ['\n', '\n'], $doc_comment)); print "\n\nstr_replace (double quotes):\n"; var_dump(str_replace(["\r\n", "\r"], "\n", $doc_comment));

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)
8.3.70.0110.01116.75
8.3.60.0150.00318.43
8.3.50.0130.00718.27
8.3.40.0080.00818.92
8.3.30.0070.01018.97
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0000.00826.16
8.2.190.0110.00416.75
8.2.180.0090.00925.92
8.2.170.0110.00719.26
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00026.35
8.2.110.0110.00019.30
8.2.100.0040.00817.97
8.2.90.0080.00019.05
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0090.00317.91
8.2.50.0000.00818.07
8.2.40.0000.00818.28
8.2.30.0000.00718.10
8.2.20.0000.00717.91
8.2.10.0040.00419.29
8.2.00.0070.00019.13
8.1.280.0180.00325.92
8.1.270.0110.00023.99
8.1.260.0080.00028.09
8.1.250.0080.00028.09
8.1.240.0060.00321.31
8.1.230.0070.00317.51
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0000.00817.38
8.1.180.0040.00418.10
8.1.170.0040.00418.66
8.1.160.0000.00718.94
8.1.150.0030.00518.88
8.1.140.0040.00418.87
8.1.130.0030.00320.12
8.1.120.0030.00617.63
8.1.110.0000.00917.46
8.1.100.0070.00017.61
8.1.90.0040.00417.56
8.1.80.0030.00617.52
8.1.70.0040.00417.44
8.1.60.0040.00417.66
8.1.50.0000.00817.55
8.1.40.0000.00917.47
8.1.30.0070.00317.79
8.1.20.0000.00817.60
8.1.10.0000.00717.67
8.1.00.0000.00817.63
8.0.300.0040.00418.77
8.0.290.0040.00417.00
8.0.280.0000.00718.61
8.0.270.0000.00718.17
8.0.260.0000.00918.46
8.0.250.0000.00717.07
8.0.240.0070.00016.94
8.0.230.0070.00017.11
8.0.220.0030.00317.06
8.0.210.0000.00717.02
8.0.200.0030.00317.05
8.0.190.0030.00616.93
8.0.180.0040.00416.97
8.0.170.0000.01017.01
8.0.160.0040.00417.12
8.0.150.0040.00416.91
8.0.140.0050.00316.95
8.0.130.0000.00613.41
8.0.120.0040.00417.04
8.0.110.0040.00416.79
8.0.100.0040.00417.01
8.0.90.0040.00416.78
8.0.80.0080.00816.98
8.0.70.0040.00416.85
8.0.60.0070.00017.11
8.0.50.0080.00016.95
8.0.30.0080.00817.35
8.0.20.0110.01217.14
8.0.10.0040.00417.13
8.0.00.0040.01516.66
7.4.330.0060.00015.55
7.4.320.0060.00016.69
7.4.300.0030.00316.58
7.4.290.0000.00816.76
7.4.280.0040.00416.76
7.4.270.0070.00016.67
7.4.260.0000.00613.43
7.4.250.0000.00716.74
7.4.240.0040.00416.57
7.4.230.0050.00316.68
7.4.220.0030.00316.70
7.4.210.0050.01016.71
7.4.200.0030.00516.80
7.4.130.0110.01116.66
7.4.120.0130.00616.64
7.4.110.0060.01016.69
7.4.100.0120.01316.90
7.4.90.0090.00916.54
7.4.80.0150.00416.58
7.4.70.0090.01916.73
7.4.60.0100.01616.59
7.4.50.0220.00316.52
7.4.40.0200.00816.80
7.4.30.0220.00816.45
7.4.20.0160.00816.45
7.4.10.0230.00316.45
7.4.00.0040.01716.63
7.3.330.0030.00316.29
7.3.320.0030.00313.15
7.3.310.0030.00316.21
7.3.300.0000.00716.18
7.3.290.0090.00616.32
7.3.280.0130.01316.35
7.3.260.0070.01016.64
7.3.230.0050.01116.55
7.3.210.0090.00916.51
7.3.200.0040.01316.62
7.3.190.0080.01416.66
7.3.180.0200.01016.36
7.3.170.0180.00416.42
7.3.160.0150.00516.71
7.3.150.0050.01116.27
7.3.140.0090.01216.33
7.3.130.0080.01416.59
7.3.120.0040.01516.34
7.3.110.0150.00716.50
7.3.100.0200.00316.32
7.3.90.0160.01316.24
7.3.80.0170.00616.55
7.3.70.0200.00816.30
7.3.60.0150.01216.44
7.3.50.0190.01016.45
7.3.40.0160.01416.43
7.3.30.0070.01716.34
7.3.20.0120.01516.50
7.3.10.0170.01116.35
7.3.00.0230.00416.24
7.2.330.0060.01216.66
7.2.320.0090.01016.58
7.2.310.0040.01616.45
7.2.300.0000.02016.79
7.2.290.0160.01316.53
7.2.280.0180.00916.70
7.2.270.0100.01216.61
7.2.260.0150.00616.43
7.2.250.0040.01616.53
7.2.240.0130.01116.65
7.2.230.0180.01116.48
7.2.220.0120.02116.52
7.2.210.0180.01116.65
7.2.200.0230.00016.50
7.2.190.0110.01716.67
7.2.180.0140.01016.54
7.2.170.0260.00916.37
7.2.160.0230.00316.56
7.2.150.0210.00316.57
7.2.140.0190.01116.59
7.2.130.0090.01916.59
7.2.120.0230.00916.62
7.2.110.0190.01316.71
7.2.100.0090.02216.58
7.2.90.0210.00716.54
7.2.80.0130.01316.70
7.2.70.0240.00316.41
7.2.60.0290.01116.55
7.2.50.0140.01416.62
7.2.40.0200.00616.65
7.2.30.0210.01016.65
7.2.20.0060.01716.44
7.2.10.0090.01516.64
7.2.00.0150.01016.75

preferences:
46.89 ms | 401 KiB | 5 Q