3v4l.org

run code in 300+ PHP versions simultaneously
<?php $messages = array( 'ircBot hey', 'hey ircBot', 'hey ircBot naa', 'hey MircBot', ); foreach ($messages as $message) { // using in_array $isMentioned = in_array('ircbot', preg_split('/\s+/', mb_strtolower($message))); printf("%s = {$message}\n", $isMentioned ? 'true' : 'false'); // using regex word boundaries $isMentioned = preg_match('/\b(ircBot)\b/i', $message); printf("%s = {$message}\n", $isMentioned ? 'true' : 'false'); }

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)
8.3.80.0060.00319.36
8.3.70.0130.00618.72
8.3.60.0090.00918.56
8.3.50.0110.00521.95
8.3.40.0150.00018.92
8.3.30.0080.00619.14
8.3.20.0030.00520.29
8.3.10.0040.00420.78
8.3.00.0040.00419.36
8.2.200.0090.00018.88
8.2.190.0040.01216.63
8.2.180.0090.00616.50
8.2.170.0140.00022.96
8.2.160.0030.01020.39
8.2.150.0030.00524.18
8.2.140.0090.00024.66
8.2.130.0080.01126.16
8.2.120.0000.00819.67
8.2.110.0040.00422.26
8.2.100.0090.00317.84
8.2.90.0000.00819.26
8.2.80.0040.00417.97
8.2.70.0070.00317.75
8.2.60.0040.00417.93
8.2.50.0040.00918.07
8.2.40.0060.00318.02
8.2.30.0040.00418.09
8.2.20.0050.00317.76
8.2.10.0000.00818.04
8.2.00.0030.00617.86
8.1.290.0070.00330.84
8.1.280.0150.00325.92
8.1.270.0000.00920.54
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00617.48
8.1.230.0030.00917.46
8.1.220.0040.00417.79
8.1.210.0000.00918.77
8.1.200.0000.00917.48
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0050.00518.62
8.1.160.0030.00622.08
8.1.150.0030.00518.88
8.1.140.0040.00417.61
8.1.130.0000.00717.88
8.1.120.0080.00017.77
8.1.110.0060.00317.69
8.1.100.0000.00817.71
8.1.90.0040.00417.71
8.1.80.0040.00417.75
8.1.70.0030.00317.59
8.1.60.0040.00717.72
8.1.50.0050.00317.69
8.1.40.0000.00817.79
8.1.30.0080.00017.89
8.1.20.0040.00417.72
8.1.10.0040.00417.63
8.1.00.0040.00417.60
8.0.300.0040.00418.77
8.0.290.0060.00317.00
8.0.280.0000.00718.55
8.0.270.0070.00017.28
8.0.260.0050.00217.30
8.0.250.0080.00017.23
8.0.240.0000.00817.18
8.0.230.0030.00317.18
8.0.220.0000.00717.13
8.0.210.0030.00317.11
8.0.200.0000.00717.07
8.0.190.0040.00317.16
8.0.180.0000.01117.02
8.0.170.0000.00817.07
8.0.160.0030.00317.12
8.0.150.0070.00017.15
8.0.140.0000.00717.04
8.0.130.0030.00313.50
8.0.120.0030.00517.06
8.0.110.0000.00717.15
8.0.100.0000.00716.91
8.0.90.0040.00416.99
8.0.80.0000.02017.01
8.0.70.0000.00817.08
8.0.60.0030.00616.95
8.0.50.0090.00016.96
8.0.30.0070.01217.42
8.0.20.0090.01017.40
8.0.10.0050.00217.05
8.0.00.0090.01016.87
7.4.330.0030.00315.23
7.4.320.0060.00016.88
7.4.300.0000.00616.80
7.4.290.0000.00716.86
7.4.280.0000.00816.87
7.4.270.0000.00716.93
7.4.260.0030.00316.81
7.4.250.0000.00716.73
7.4.240.0020.00516.75
7.4.230.0030.00316.89
7.4.220.0120.01516.84
7.4.210.0090.00616.69
7.4.200.0050.00316.91
7.4.160.0070.01016.85
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0120.00516.77
7.4.120.0110.00516.78
7.4.110.0110.00616.77
7.4.100.0090.00916.64
7.4.90.0150.00316.77
7.4.80.0070.01019.39
7.4.70.0140.00616.76
7.4.60.0100.00716.54
7.4.50.0030.00616.54
7.4.40.0080.00816.73
7.4.30.0080.00816.68
7.4.00.0070.01015.11
7.3.330.0000.00613.23
7.3.320.0000.00613.40
7.3.310.0000.00816.50
7.3.300.0040.00416.67
7.3.290.0070.01016.58
7.3.280.0100.00716.55
7.3.270.0110.00617.40
7.3.260.0080.01116.47
7.3.250.0110.00616.64
7.3.240.0140.00316.73
7.3.230.0210.00016.53
7.3.210.0150.00316.44
7.3.200.0070.01019.39
7.3.190.0110.00716.78
7.3.180.0120.00916.50
7.3.170.0070.01016.62
7.3.160.0070.01416.89
7.2.330.0090.00916.75
7.2.320.0060.01216.85
7.2.310.0000.01716.89
7.2.300.0160.00016.79
7.2.290.0110.00716.73
7.2.60.0000.01517.03
7.2.00.0040.00819.58
7.1.200.0000.00816.21
7.1.100.0060.00918.47
7.1.70.0000.00817.42
7.1.60.0070.01619.32
7.1.50.0120.00917.25
7.1.00.0100.07022.45
7.0.200.0040.00416.91
7.0.140.0070.07322.02
7.0.60.0170.07320.03
7.0.50.0070.08317.89
7.0.40.0070.09320.06
7.0.30.0270.09020.22
7.0.20.0230.05320.21
7.0.10.0030.04720.23
7.0.00.0070.04020.22
5.6.280.0070.07021.07
5.6.210.0070.07720.71
5.6.200.0030.08718.12
5.6.190.0070.08020.63
5.6.180.0230.05320.56
5.6.170.0270.04020.71
5.6.160.0030.08720.35
5.6.150.0030.04718.27
5.6.140.0130.02718.11
5.6.130.0070.08318.22
5.6.120.0000.04321.04
5.6.110.0070.04021.13
5.6.100.0130.07721.13
5.6.90.0030.05721.10
5.6.80.0100.07720.28
5.6.70.3400.02720.51
5.5.350.0370.06320.43
5.5.340.0000.04017.92
5.5.330.0000.04320.56
5.5.320.0170.04720.21
5.5.310.0230.04020.27
5.5.300.0030.04017.92
5.5.290.0070.05017.92
5.5.280.0000.09320.88
5.5.270.0070.08020.78
5.5.260.0130.08020.96
5.5.250.0100.03320.77
5.5.240.0230.07320.26
5.4.450.0930.08019.45
5.4.440.0830.06019.63
5.4.430.1030.05319.51
5.4.420.0100.05319.68
5.4.410.0130.05019.22
5.4.400.0070.05719.22
5.4.390.0170.04719.00
5.4.380.0070.05718.96
5.4.370.0200.05019.26
5.4.360.0130.05319.05
5.4.350.0090.03911.98
5.4.340.0090.03711.97
5.4.320.0090.03912.45
5.4.310.0070.04412.45
5.4.300.0070.05012.45
5.4.290.0050.04512.45
5.4.280.0080.03712.35
5.4.270.0090.03712.35
5.4.260.0050.04212.35
5.4.250.0060.03812.35
5.4.240.0040.03812.35
5.4.230.0100.03712.34
5.4.220.0110.03612.34
5.4.210.0070.03512.34
5.4.200.0080.03912.34
5.4.190.0130.06912.34
5.4.180.0090.06412.34
5.4.170.0070.05612.35
5.4.160.0090.03912.34
5.4.150.0090.04112.34
5.4.140.0060.04012.02
5.4.130.0070.03712.02
5.4.120.0090.04911.97
5.4.110.0060.05511.97
5.4.100.0060.05411.97
5.4.90.0100.04011.97
5.4.80.0070.05211.97
5.4.70.0080.04211.96
5.4.60.0080.04311.96
5.4.50.0130.05811.96
5.4.40.0090.04811.95
5.4.30.0070.05511.95
5.4.20.0090.05511.95
5.4.10.0080.04411.95
5.4.00.0060.04111.44
5.3.290.0090.04612.80
5.3.280.0110.04112.71
5.3.270.0080.05312.72
5.3.260.0080.04612.72
5.3.250.0140.06412.72
5.3.240.0110.05412.72
5.3.230.0080.04712.71
5.3.220.0070.04412.68
5.3.210.0090.03712.68
5.3.200.0090.04012.68
5.3.190.0100.05212.68
5.3.180.0060.04412.67
5.3.170.0090.03712.67
5.3.160.0030.04112.68
5.3.150.0110.04312.67
5.3.140.0080.04212.66
5.3.130.0100.04612.66
5.3.120.0110.04112.66
5.3.110.0040.04512.66
5.3.100.0090.03812.12
5.3.90.0080.04112.08
5.3.80.0180.05112.07
5.3.70.0100.04912.08
5.3.60.0040.04512.06
5.3.50.0140.06212.00
5.3.40.0120.04212.00
5.3.30.0050.04311.95
5.3.20.0070.03711.73
5.3.10.0060.03611.70
5.3.00.0060.03611.69
5.2.170.0020.0389.20
5.2.160.0040.0329.19
5.2.150.0070.0319.20
5.2.140.0070.0289.19
5.2.130.0090.0459.15
5.2.120.0040.0309.15
5.2.110.0060.0349.15
5.2.100.0060.0289.15
5.2.90.0050.0309.15
5.2.80.0050.0319.14
5.2.70.0090.0379.14
5.2.60.0050.0379.10
5.2.50.0070.0289.07
5.2.40.0050.0299.04
5.2.30.0040.0319.02
5.2.20.0060.0309.02
5.2.10.0070.0288.92
5.2.00.0070.0328.78
5.1.60.0060.0248.07
5.1.50.0060.0368.06
5.1.40.0070.0268.04
5.1.30.0050.0278.39
5.1.20.0060.0268.41
5.1.10.0050.0268.14
5.1.00.0050.0258.14
5.0.50.0070.0216.61
5.0.40.0040.0216.48
5.0.30.0030.0366.29
5.0.20.0010.0256.27
5.0.10.0040.0246.24
5.0.00.0060.0376.24
4.4.90.0010.0214.78
4.4.80.0020.0184.75
4.4.70.0050.0144.75
4.4.60.0040.0164.76
4.4.50.0020.0244.77
4.4.40.0030.0324.71
4.4.30.0050.0164.75
4.4.20.0030.0174.84
4.4.10.0060.0134.85
4.4.00.0040.0244.76
4.3.110.0050.0144.67
4.3.100.0030.0154.67
4.3.90.0020.0174.63
4.3.80.0040.0254.59
4.3.70.0020.0194.63
4.3.60.0030.0164.63
4.3.50.0030.0174.63
4.3.40.0030.0284.54
4.3.30.0010.0183.30
4.3.20.0030.0163.28
4.3.10.0050.0153.23
4.3.00.0330.0307.70

preferences:
31 ms | 401 KiB | 5 Q