3v4l.org

run code in 300+ PHP versions simultaneously
<?php $enc1 = base64_encode(181); $enc2 = base64_encode('M'.$enc1.'T'); $dec1 = base64_decode($enc2); $len = strlen($dec1); $dec2 = substr($dec1, 1, $len-2); $dec3 = base64_decode($dec2); //echo "\n".$dec3; $f = $enc1[array_rand(str_split($enc1))]; $s = $enc1[array_rand(str_split($enc1))]; echo $f.'='.$s;

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)
7.4.10.0100.01015.22
7.4.00.0060.01314.73
7.3.130.0040.01114.78
7.3.120.0100.01014.65
7.3.110.0060.01314.92
7.3.100.0030.01014.84
7.3.90.0100.00614.83
7.3.80.0090.00015.02
7.3.70.0030.00914.86
7.3.60.0060.00314.89
7.3.50.0060.00314.63
7.3.40.0030.00714.86
7.3.30.0000.00914.87
7.3.20.0110.00416.73
7.3.10.0040.01116.53
7.3.00.0030.01016.48
7.2.260.0070.01115.36
7.2.250.0120.00615.23
7.2.240.0120.00314.74
7.2.230.0080.00414.96
7.2.220.0030.01415.08
7.2.210.0100.00014.61
7.2.200.0030.00714.86
7.2.190.0030.00915.04
7.2.180.0100.00314.93
7.2.170.0060.00614.96
7.2.160.0000.01615.02
7.2.150.0070.00717.14
7.2.140.0060.00616.84
7.2.130.0030.01117.03
7.2.120.0040.01417.04
7.2.110.0070.00417.13
7.2.100.0070.01017.04
7.2.90.0030.01416.85
7.2.80.0030.01017.04
7.2.70.0040.01117.03
7.2.60.0040.01116.89
7.2.50.0130.00017.01
7.2.40.0060.00916.91
7.2.30.0090.00617.17
7.2.20.0040.01417.20
7.2.10.0030.00917.07
7.2.00.0030.00818.04
7.1.330.0030.01015.57
7.1.320.0040.00715.59
7.1.310.0000.01215.85
7.1.300.0070.00715.81
7.1.290.0050.00515.88
7.1.280.0000.01415.56
7.1.270.0060.01015.59
7.1.260.0070.00715.77
7.1.250.0070.00715.92
7.1.240.0000.01415.98
7.1.230.0070.00315.84
7.1.220.0070.00715.86
7.1.210.0080.00915.86
7.1.200.0040.01115.66
7.1.190.0000.01415.61
7.1.180.0090.00615.94
7.1.170.0090.00315.95
7.1.160.0060.00315.49
7.1.150.0090.00916.00
7.1.140.0130.00015.79
7.1.130.0130.00015.80
7.1.120.0070.00715.69
7.1.110.0090.00616.00
7.1.100.0110.00615.95
7.1.90.0040.00815.68
7.1.80.0090.00615.89
7.1.70.0040.00816.53
7.1.60.0040.01217.55
7.1.50.0080.00916.35
7.1.40.0030.01215.75
7.1.30.0060.01015.68
7.1.20.0030.00915.91
7.1.10.0090.00915.63
7.1.00.0070.01819.14
7.0.330.0100.00315.48
7.0.320.0000.01515.46
7.0.310.0000.01415.55
7.0.300.0060.00615.36
7.0.290.0100.00315.20
7.0.280.0090.00315.46
7.0.270.0050.00515.41
7.0.260.0000.01615.36
7.0.250.0080.00415.36
7.0.240.0050.00515.35
7.0.230.0100.00615.48
7.0.220.0060.00315.36
7.0.210.0060.00615.22
7.0.200.0050.00615.94
7.0.190.0050.00515.41
7.0.180.0060.00615.34
7.0.170.0000.01515.39
7.0.160.0000.01415.16
7.0.150.0030.01015.57
7.0.140.0040.04318.66
7.0.130.0040.01215.55
7.0.120.0000.01315.29
7.0.110.0030.00715.55
7.0.100.0090.02517.62
7.0.90.0120.04017.71
7.0.80.0110.04017.73
7.0.70.0050.02817.66
7.0.60.0050.02317.75
7.0.50.0100.04817.89
7.0.40.0050.02616.71
7.0.30.0050.02516.77
7.0.20.0020.03216.79
7.0.10.0070.02316.68
7.0.00.0060.02316.72
5.6.400.0070.01014.29
5.6.390.0090.00614.56
5.6.380.0090.00914.46
5.6.370.0060.00814.27
5.6.360.0000.01414.27
5.6.350.0160.00014.29
5.6.340.0110.00714.57
5.6.330.0070.00414.16
5.6.320.0060.01214.29
5.6.310.0030.01214.20
5.6.300.0090.00614.63
5.6.290.0030.00614.24
5.6.280.0070.03717.56
5.6.270.0070.00714.37
5.6.260.0090.00914.37
5.6.250.0020.03017.49
5.6.240.0030.04317.46
5.6.230.0080.02217.40
5.6.220.0060.04417.48
5.6.210.0070.04517.35
5.6.200.0050.02417.69
5.6.190.0090.02517.65
5.6.180.0080.03117.69
5.6.170.0060.02817.70
5.6.160.0050.02517.62
5.6.150.0090.02117.92
5.6.140.0050.02517.71
5.6.130.0030.02917.71
5.6.120.0020.02317.84
5.6.110.0020.02917.53
5.6.100.0030.02517.56
5.6.90.0080.02317.58
5.6.80.0020.03017.40
5.6.70.0070.02817.45
5.6.60.0050.02217.30
5.6.50.0020.02717.38
5.6.40.0050.01817.40
5.6.30.0040.02017.36
5.6.20.0020.02817.18
5.6.10.0060.01817.31
5.6.00.0010.02817.35
5.5.380.0090.02517.29
5.5.370.0070.02517.28
5.5.360.0100.02317.50
5.5.350.0060.04717.43
5.5.340.0030.04817.56
5.5.330.0100.02117.63
5.5.320.0050.02417.62
5.5.310.0060.02317.55
5.5.300.0080.02017.69
5.5.290.0030.02517.66
5.5.280.0070.02317.58
5.5.270.0050.02517.65
5.5.260.0030.02617.66
5.5.250.0050.02217.29
5.5.240.0060.02617.36
5.5.230.0050.02517.31
5.5.220.0060.01817.31
5.5.210.0100.02517.15
5.5.200.0040.02517.18
5.5.190.0070.02217.31
5.5.180.0030.02017.20
5.5.170.0070.00714.40
5.5.160.0040.01817.18
5.5.150.0070.02317.28
5.5.140.0030.02817.32
5.5.130.0060.02217.17
5.5.120.0080.02517.24
5.5.110.0030.02317.10
5.5.100.0030.02417.11
5.5.90.0050.02317.07
5.5.80.0060.02617.19
5.5.70.0100.01816.95
5.5.60.0090.02116.94
5.5.50.0040.02317.10
5.5.40.0130.01717.19
5.5.30.0090.02317.02
5.5.20.0120.03717.29
5.5.10.0070.04117.04
5.5.00.0050.02517.20
5.4.450.0010.02416.26
5.4.440.0030.02416.19
5.4.430.0000.02416.21
5.4.420.0070.02216.27
5.4.410.0050.02416.12
5.4.400.0050.02115.92
5.4.390.0050.01716.11
5.4.380.0030.01916.09
5.4.370.0020.02516.07
5.4.360.0000.02116.05
5.4.350.0040.02216.10
5.4.340.0070.01516.16
5.4.330.0070.00713.08
5.4.320.0060.01816.05
5.4.310.0000.02316.10
5.4.300.0040.01916.15
5.4.290.0060.01715.93
5.4.280.0060.01816.07
5.4.270.0020.01915.94
5.4.260.0050.01716.15
5.4.250.0060.01716.12
5.4.240.0030.02016.09
5.4.230.0050.01815.93
5.4.220.0020.02616.07
5.4.210.0070.02816.02
5.4.200.0020.04916.11
5.4.190.0080.03016.11
5.4.180.0080.03216.06
5.4.170.0060.02316.11
5.4.160.0000.03816.04
5.4.150.0030.02215.94
5.4.140.0100.02914.68
5.4.130.0030.02114.68
5.4.120.0120.02714.68
5.4.110.0060.04014.69
5.4.100.0030.03414.76
5.4.90.0060.04014.67
5.4.80.0040.02414.69
5.4.70.0090.01514.75
5.4.60.0020.02214.73
5.4.50.0050.03214.69
5.4.40.0070.03114.74
5.4.30.0080.03614.74
5.4.20.0030.03014.68
5.4.10.0050.03114.68
5.4.00.0020.03814.41
5.3.290.0030.02413.78
5.3.280.0070.01313.79
5.3.270.0090.01813.83
5.3.260.0050.02613.76
5.3.250.0030.02713.80
5.3.240.0040.02513.77
5.3.230.0050.02013.75
5.3.220.0070.03513.80
5.3.210.0100.03513.80
5.3.200.0050.02413.82
5.3.190.0020.02713.81
5.3.180.0080.03513.73
5.3.170.0030.03513.82
5.3.160.0010.02813.81
5.3.150.0100.01513.73
5.3.140.0050.04113.81
5.3.130.0030.03513.79
5.3.120.0030.04013.81
5.3.110.0070.04313.80
5.3.100.0020.02113.51
5.3.90.0030.03913.55
5.3.80.0040.02713.48
5.3.70.0070.03113.55
5.3.60.0040.02913.45
5.3.50.0030.02113.44
5.3.40.0060.02613.42
5.3.30.0080.01313.49
5.3.20.0070.01713.31
5.3.10.0020.02713.37
5.3.00.0010.02813.36
5.2.170.0000.03011.60
5.2.160.0000.05711.60
5.2.150.0070.03311.60
5.2.140.0030.06711.60
5.2.130.0030.03011.60
5.2.120.0070.02311.60
5.2.110.0000.04311.60
5.2.100.0130.05311.60
5.2.90.0100.02311.60
5.2.80.0130.03311.60
5.2.70.0030.02711.60
5.2.60.0070.03711.60
5.2.50.0030.04311.60
5.2.40.0070.04011.60
5.2.30.0130.04711.60
5.2.20.0000.02711.60
5.2.10.0030.06311.60
5.2.00.0030.03311.60
5.1.60.0030.05311.60
5.1.50.0100.01711.60
5.1.40.0000.04711.60
5.1.30.0070.03011.60
5.1.20.0070.05311.60
5.1.10.0030.02311.60
5.1.00.0000.05711.60
5.0.50.0070.03011.60
5.0.40.0000.02711.60
5.0.30.0070.05011.60
5.0.20.0030.02711.60
5.0.10.0030.03711.60
5.0.00.0000.05011.60
4.4.90.0000.01711.60
4.4.80.0030.01711.60
4.4.70.0000.01711.60
4.4.60.0000.02011.60
4.4.50.0000.01711.60
4.4.40.0030.02011.60
4.4.30.0000.03711.60
4.4.20.0030.03011.60
4.4.10.0030.03011.60
4.4.00.0000.02711.60
4.3.110.0000.03711.60
4.3.100.0000.03011.60
4.3.90.0030.04011.60
4.3.80.0000.03311.60
4.3.70.0000.03711.60
4.3.60.0000.03011.60
4.3.50.0030.01011.60
4.3.40.0000.04311.60
4.3.30.0000.02311.60
4.3.20.0030.04011.60
4.3.10.0100.02711.60
4.3.00.0000.02711.60

preferences:
38.81 ms | 401 KiB | 5 Q