3v4l.org

run code in 300+ PHP versions simultaneously
<?php $desc = "this <br>is a test"; $maxLen = 7; $structured_desc = "<span>" . mb_substr($desc, 0, $maxLen) . "</span>" . mb_substr($desc, $maxLen); $structured_desc = preg_replace('/<([^>]*)<\/span>([^>]*)>/', '<span><$1$2>', $structured_desc); echo $structured_desc;

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)
8.3.70.0090.00618.43
8.3.60.0030.01518.40
8.3.50.0040.01117.99
8.3.40.0120.00418.71
8.3.30.0090.00618.98
8.3.20.0000.00723.48
8.3.10.0080.00021.77
8.3.00.0090.00022.34
8.2.190.0090.00616.75
8.2.180.0180.00016.38
8.2.170.0130.00322.96
8.2.160.0070.00722.25
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0070.00021.17
8.2.110.0040.00422.25
8.2.100.0070.00418.03
8.2.90.0050.00317.88
8.2.80.0040.00417.97
8.2.70.0000.00817.93
8.2.60.0000.00818.03
8.2.50.0040.00418.10
8.2.40.0040.00422.48
8.2.30.0000.00818.00
8.2.20.0040.00418.15
8.2.10.0090.00019.32
8.2.00.0000.00719.20
8.1.280.0070.00725.92
8.1.270.0030.00520.57
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.00823.96
8.1.230.0080.00419.09
8.1.220.0000.00817.79
8.1.210.0000.00818.77
8.1.200.0050.00317.35
8.1.190.0060.00317.48
8.1.180.0060.00318.10
8.1.170.0040.00418.84
8.1.160.0040.00418.95
8.1.150.0040.00418.98
8.1.140.0000.01019.04
8.1.130.0030.00520.21
8.1.120.0000.00717.45
8.1.110.0000.00817.49
8.1.100.0040.00417.63
8.1.90.0040.00417.55
8.1.80.0000.00817.62
8.1.70.0090.00017.58
8.1.60.0040.00417.71
8.1.50.0060.00317.68
8.1.40.0040.00417.64
8.1.30.0000.00917.85
8.1.20.0000.00817.88
8.1.10.0000.00817.64
8.1.00.0050.00217.51
8.0.300.0060.00318.77
8.0.290.0090.00316.88
8.0.280.0070.00018.39
8.0.270.0030.00317.28
8.0.260.0030.00320.15
8.0.250.0030.00317.17
8.0.240.0070.00017.11
8.0.230.0030.00317.18
8.0.220.0000.00717.12
8.0.210.0050.00217.05
8.0.200.0000.00817.16
8.0.190.0000.00717.17
8.0.180.0000.00817.11
8.0.170.0040.00416.94
8.0.160.0040.00417.05
8.0.150.0000.00817.07
8.0.140.0030.00617.13
8.0.130.0000.00513.49
8.0.120.0040.00417.07
8.0.110.0070.00016.92
8.0.100.0040.00417.02
8.0.90.0040.00417.22
8.0.80.0070.01317.11
8.0.70.0050.00216.93
8.0.60.0090.00016.90
8.0.50.0050.00317.11
8.0.30.0110.00917.24
8.0.20.0090.00917.38
8.0.10.0040.00416.95
8.0.00.0090.01116.97
7.4.330.0050.00015.55
7.4.320.0060.00016.84
7.4.300.0050.00216.62
7.4.290.0040.00416.75
7.4.280.0080.00016.64
7.4.270.0000.00716.82
7.4.260.0000.00913.52
7.4.250.0040.00416.83
7.4.240.0030.00416.79
7.4.230.0030.00316.47
7.4.220.0020.00616.58
7.4.210.0080.00716.70
7.4.200.0070.00016.73
7.4.140.0110.00717.86
7.4.130.0100.00616.79
7.4.120.0120.00916.61
7.4.110.0090.00916.64
7.4.100.0090.00916.68
7.4.90.0150.00616.53
7.4.80.0160.00516.61
7.4.70.0110.00916.60
7.4.60.0100.00816.50
7.4.50.0070.00916.71
7.4.40.0080.01016.61
7.4.30.0090.01216.57
7.4.20.0150.00516.49
7.4.10.0120.00816.05
7.4.00.0070.01015.97
7.3.330.0040.00416.52
7.3.320.0000.00513.42
7.3.310.0030.00416.36
7.3.300.0000.00616.43
7.3.290.0080.00716.43
7.3.280.0060.00916.38
7.3.260.0100.01316.49
7.3.240.0130.00416.52
7.3.230.0090.00916.67
7.3.210.0070.01116.44
7.3.200.0100.00816.68
7.3.190.0100.01016.65
7.3.180.0070.01116.60
7.3.170.0100.00916.58
7.3.160.0100.00816.60
7.3.150.0110.00916.76
7.3.140.0070.01416.39
7.3.130.0110.00916.01
7.3.120.0090.01015.60
7.3.110.0090.00815.85
7.3.100.0060.01115.59
7.3.90.0090.00715.60
7.3.80.0090.00715.68
7.3.70.0070.00915.55
7.3.60.0090.00815.55
7.3.50.0070.01215.50
7.3.40.0120.00715.57
7.3.30.0060.01115.50
7.3.20.0110.00716.24
7.3.10.0110.00516.43
7.3.00.0080.01016.31
7.2.330.0110.00816.90
7.2.320.0170.00316.84
7.2.310.0070.01316.81
7.2.300.0090.01016.73
7.2.290.0120.00616.84
7.2.280.0080.01216.74
7.2.270.0090.01216.81
7.2.260.0110.01216.18
7.2.250.0090.01216.26
7.2.240.0090.00816.07
7.2.230.0110.00815.85
7.2.220.0070.00915.72
7.2.210.0090.00815.79
7.2.200.0090.00715.79
7.2.190.0110.00815.84
7.2.180.0060.01215.85
7.2.170.0110.00815.73
7.2.160.0060.01115.79
7.2.150.0070.01016.58
7.2.140.0040.01116.63
7.2.130.0090.00916.60
7.2.120.0060.01116.58
7.2.110.0070.01016.60
7.2.100.0070.01016.66
7.2.90.0080.01316.66
7.2.80.0090.00916.66
7.2.70.0080.01116.60
7.2.60.0080.01016.60
7.2.50.0080.01116.65
7.2.40.0100.00916.59
7.2.30.0110.01116.63
7.2.20.0070.01116.70
7.2.10.0080.01116.65
7.2.00.0100.00916.63
7.1.330.0200.00515.81
7.1.320.0100.00815.43
7.1.310.0100.00915.48
7.1.300.0070.01115.52
7.1.290.0120.00815.41
7.1.280.0130.01015.44
7.1.270.0070.01215.43
7.1.260.0170.00615.47
7.1.250.0080.00915.44
7.1.240.0120.01015.66
7.1.230.0090.01015.79
7.1.220.0100.01015.77
7.1.210.0130.00615.65
7.1.200.0110.00815.76
7.1.190.0110.00715.83
7.1.180.0110.00915.89
7.1.170.0100.00715.82
7.1.160.0110.00915.73
7.1.150.0090.01015.65
7.1.140.0090.01015.68
7.1.130.0060.01415.66
7.1.120.0110.01115.61
7.1.110.0160.00615.92
7.1.100.0070.01115.79
7.1.90.0100.00815.86
7.1.80.0130.01115.82
7.1.70.0090.01015.80
7.1.60.0130.00615.69
7.1.50.0140.00715.72
7.1.40.0100.01215.77
7.1.30.0110.00915.87
7.1.20.0040.01415.74
7.1.10.0140.00515.75
7.1.00.0140.00515.79

preferences:
53.52 ms | 401 KiB | 5 Q