3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'baab' . str_repeat('a', 1000000); $b = preg_replace('/c.*b/', '', $a); var_dump($b); ?>

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)
8.3.60.0120.01218.50
8.3.50.0070.00722.06
8.3.40.0130.00320.69
8.3.30.0130.00320.84
8.3.20.0090.00023.41
8.3.10.0030.00524.48
8.3.00.0000.00821.64
8.2.180.0200.00320.39
8.2.170.0130.00322.96
8.2.160.0050.01023.16
8.2.150.0090.00024.18
8.2.140.0030.00524.66
8.2.130.0080.00024.18
8.2.120.0080.00026.35
8.2.110.0070.00322.20
8.2.100.0130.00019.78
8.2.90.0040.00421.16
8.2.80.0040.00419.63
8.2.70.0000.01119.63
8.2.60.0080.00019.80
8.2.50.0000.00819.75
8.2.40.0040.00424.22
8.2.30.0060.00621.31
8.2.20.0050.00319.93
8.2.10.0040.00420.07
8.2.00.0040.00420.05
8.1.280.0070.01125.92
8.1.270.0060.00325.90
8.1.260.0080.00028.09
8.1.250.0060.00328.09
8.1.240.0070.00325.67
8.1.230.0090.00322.76
8.1.220.0000.00819.76
8.1.210.0040.00419.35
8.1.200.0030.00619.48
8.1.190.0040.00419.35
8.1.180.0040.00419.35
8.1.170.0050.00320.62
8.1.160.0040.00424.06
8.1.150.0040.00422.77
8.1.140.0030.00521.52
8.1.130.0000.00819.70
8.1.120.0000.00719.54
8.1.110.0080.00019.48
8.1.100.0060.00319.50
8.1.90.0040.00419.59
8.1.80.0000.00819.56
8.1.70.0070.00019.52
8.1.60.0040.00419.59
8.1.50.0050.00319.45
8.1.40.0070.00419.63
8.1.30.0000.00819.64
8.1.20.0040.00419.65
8.1.10.0080.00019.57
8.1.00.0060.00319.46
8.0.300.0070.00218.85
8.0.290.0050.00318.63
8.0.280.0050.00320.30
8.0.270.0080.00019.04
8.0.260.0050.00219.05
8.0.250.0040.00418.92
8.0.240.0030.00318.96
8.0.230.0030.00718.98
8.0.220.0020.00518.80
8.0.210.0000.00718.80
8.0.200.0000.00718.94
8.0.190.0050.00318.89
8.0.180.0040.00418.92
8.0.170.0000.00718.98
8.0.160.0080.00018.96
8.0.150.0030.00518.88
8.0.140.0040.00418.77
8.0.130.0000.00715.43
8.0.120.0030.00518.77
8.0.110.0060.00318.73
8.0.100.0000.00818.87
8.0.90.0060.00318.78
8.0.80.0130.00418.73
8.0.70.0080.00018.72
8.0.60.0040.00418.82
8.0.50.0000.00918.64
8.0.30.0120.01219.25
8.0.20.0100.01119.12
8.0.10.0040.00418.89
8.0.00.0060.01318.58
7.4.330.0030.00317.05
7.4.320.0030.00318.55
7.4.300.0040.00418.46
7.4.290.0070.00018.39
7.4.280.0030.00618.36
7.4.270.0000.00718.30
7.4.260.0000.00718.48
7.4.250.0040.00418.55
7.4.240.0050.00318.44
7.4.230.0050.00318.36
7.4.220.0040.01518.61
7.4.210.0090.00918.39
7.4.200.0080.00018.64
7.4.160.0130.00518.49
7.4.150.0120.01518.32
7.4.140.0110.01518.58
7.4.130.0150.00618.39
7.4.120.0130.01018.44
7.4.110.0100.01018.52
7.4.100.0120.00918.48
7.4.90.0060.01518.61
7.4.80.0100.01119.39
7.4.70.0110.00718.34
7.4.60.0120.00818.48
7.4.50.0090.00618.20
7.4.40.0130.00618.51
7.4.30.0110.00818.41
7.4.00.0030.01016.75
7.3.330.0060.00015.01
7.3.320.0000.00715.11
7.3.310.0040.00418.20
7.3.300.0080.00018.28
7.3.290.0100.00818.21
7.3.280.0100.00918.15
7.3.270.0160.00418.55
7.3.260.0090.01318.55
7.3.250.0140.00718.32
7.3.240.0140.01118.57
7.3.230.0090.01218.15
7.3.210.0060.01318.12
7.3.200.0070.01618.13
7.3.190.0140.00318.60
7.3.180.0150.00918.47
7.3.170.0070.01018.27
7.3.160.0090.01018.72
7.2.330.0090.00918.59
7.2.320.0120.00818.61
7.2.310.0110.00718.53
7.2.300.0130.00618.45
7.2.290.0110.00918.52
7.2.60.0040.01218.87
7.2.00.0110.00321.45
7.1.200.0030.00917.95
7.1.100.0000.01320.20
7.1.70.0100.00719.00
7.1.60.0030.01019.27
7.1.00.0030.08024.38
7.0.200.0080.00818.98
7.0.90.0900.00021.86
7.0.80.0770.00021.79
7.0.70.0700.00021.83
7.0.60.0730.00021.71
7.0.50.0700.00022.24
7.0.40.0800.00022.11
7.0.30.0830.00022.08
7.0.20.0800.00022.23
7.0.10.0730.00022.01
7.0.00.0930.00022.14
5.6.240.0770.00023.33
5.6.230.0930.00023.53
5.6.220.0830.00023.38
5.6.210.0730.00023.56
5.6.200.1070.00023.90
5.6.190.0830.00023.82
5.6.180.0770.00023.95
5.6.170.0800.00023.94
5.6.160.0770.00023.80
5.6.150.0700.00023.78
5.6.140.0730.00023.85
5.6.130.0700.00023.83
5.6.120.0800.00023.82
5.6.110.0800.00023.75
5.6.100.0800.00023.91
5.6.90.0970.00023.90
5.6.80.0670.00023.36
5.6.70.0770.00023.15
5.6.60.0800.00023.14
5.6.50.0670.00023.23
5.6.40.0670.00023.22
5.6.30.0700.00023.26
5.6.20.0700.00023.30
5.6.10.0700.00023.18
5.6.00.0700.00023.15

preferences:
57.13 ms | 400 KiB | 5 Q