3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = 'KsKd2s4dAs =AhAd2s4dKs =AsAd2s4dKs 5s5d6s6d2c AsAd6s6d2c =AdQdKdJdTd =AhQhKhJhTh =AsQsKsJsTs'; echo preg_replace_callback('~=(\S+(?:\s+=\S+)*)~', function($m) { return preg_replace('~\s+~', '', $m[1]); }, $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)
8.3.60.0070.00716.88
8.3.50.0070.00720.12
8.3.40.0150.00419.14
8.3.30.0030.01218.91
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.180.0100.00725.92
8.2.170.0140.00419.04
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0040.00420.39
8.2.100.0040.01218.03
8.2.90.0040.00418.34
8.2.80.0030.00518.34
8.2.70.0030.00517.88
8.2.60.0110.00017.75
8.2.50.0040.00417.88
8.2.40.0000.00819.75
8.2.30.0040.00417.91
8.2.20.0050.00218.19
8.2.10.0040.00419.41
8.2.00.0040.00419.20
8.1.280.0060.00925.92
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00624.02
8.1.230.0130.00720.97
8.1.220.0100.00017.74
8.1.210.0040.00418.90
8.1.200.0000.00917.47
8.1.190.0000.00817.35
8.1.180.0060.00318.10
8.1.170.0050.00217.65
8.1.160.0040.00418.88
8.1.150.0050.00218.80
8.1.140.0090.00018.86
8.1.130.0030.00320.36
8.1.120.0050.00517.59
8.1.110.0040.00417.50
8.1.100.0030.00617.61
8.1.90.0070.00017.61
8.1.80.0000.01017.53
8.1.70.0040.00417.50
8.1.60.0040.00417.65
8.1.50.0060.00317.63
8.1.40.0000.00817.56
8.1.30.0050.00317.80
8.1.20.0040.00417.75
8.1.10.0040.00417.67
8.1.00.0040.00417.72
8.0.300.0040.00420.06
8.0.290.0000.00716.75
8.0.280.0000.00818.13
8.0.270.0000.00717.02
8.0.260.0000.00618.47
8.0.250.0030.00317.13
8.0.240.0060.00317.07
8.0.230.0030.00617.01
8.0.220.0030.00316.94
8.0.210.0030.00316.95
8.0.200.0000.00817.11
8.0.190.0040.00417.16
8.0.180.0000.00717.05
8.0.170.0000.00916.95
8.0.160.0040.00417.00
8.0.150.0070.00017.09
8.0.140.0080.00017.03
8.0.130.0060.00013.41
8.0.120.0000.00816.91
8.0.110.0080.00016.89
8.0.100.0020.00517.11
8.0.90.0050.00316.89
8.0.80.0050.00217.11
8.0.70.0070.00017.00
8.0.60.0040.00417.15
8.0.50.0000.00717.09
8.0.30.0000.00716.91
8.0.20.0040.00417.00
8.0.10.0000.00716.99
8.0.00.0070.00017.14
7.4.330.0000.00615.55
7.4.320.0000.00616.77
7.4.300.0000.00616.79
7.4.290.0040.00416.77
7.4.280.0030.00516.63
7.4.270.0030.00316.81
7.4.260.0000.00613.39
7.4.250.0000.00716.72
7.4.240.0000.00716.80
7.4.230.0020.00516.73
7.4.220.0030.00316.72
7.4.210.0040.00416.72
7.4.200.0040.00416.70
7.4.190.0000.00816.86
7.4.180.0040.00416.84
7.4.160.0080.00016.55
7.4.150.0040.00416.63
7.4.140.0000.00716.82
7.4.130.0070.00016.82
7.4.120.0000.00816.84
7.4.110.0000.00716.85
7.4.100.0050.00316.65
7.4.90.0070.00016.57
7.4.80.0000.00716.84
7.4.70.0030.00316.83
7.4.60.0070.00016.77
7.4.50.0040.00416.78
7.4.40.0000.00716.49
7.4.30.0080.00016.48
7.4.20.0000.00716.63
7.4.10.0000.00716.79
7.4.00.0070.00016.54
7.3.330.0050.00216.27
7.3.320.0040.00413.30
7.3.310.0070.00016.49
7.3.300.0070.00016.41
7.3.290.0060.00016.41
7.3.280.0020.00516.44
7.3.270.0030.00316.34
7.3.260.0000.00716.41
7.3.250.0040.00216.24
7.3.240.0000.00716.36
7.3.230.0000.00616.38
7.3.220.0070.00016.45
7.3.210.0040.00416.27
7.3.200.0030.00316.23
7.3.190.0060.00016.41
7.3.180.0040.00416.22
7.3.170.0000.00816.26
7.3.160.0000.00816.41
7.3.150.0080.00016.27
7.3.140.0030.00516.22
7.3.130.0030.00316.27
7.3.120.0060.00016.24
7.3.110.0070.00016.33
7.3.100.0050.00216.38
7.3.90.0060.00016.58
7.3.80.0070.00016.40
7.3.70.0000.00716.43
7.3.60.0030.00316.57
7.3.50.0060.00016.45
7.3.40.0000.00616.58
7.3.30.0030.00316.43
7.3.20.0040.00418.34
7.3.10.0000.00818.18
7.3.00.0030.00318.31

preferences:
78.66 ms | 400 KiB | 5 Q