3v4l.org

run code in 300+ PHP versions simultaneously
<?php $enc1 = base64_encode(181); $f = $enc1[array_rand(str_split($enc1))]; $s = $enc1[array_rand(str_split($enc1))]; $enc2 = base64_encode($f.$enc1.$s); $dec1 = base64_decode($enc2); $len = strlen($dec1); $dec2 = substr($dec1, 1, $len-2); $dec3 = base64_decode($dec2); echo $enc1."\n"; echo $enc2."\n"; echo "----\n"; echo $dec1."\n"; echo $dec2."\n"; echo $dec3."\n"; var_dump(preg_match('/[0-9]+/i', $dec3));

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)
7.4.10.0090.00915.21
7.4.00.0070.01115.21
7.3.130.0030.01314.61
7.3.120.0120.00615.28
7.3.110.0040.01515.09
7.3.100.0000.00914.86
7.3.90.0030.01014.72
7.3.80.0050.00314.66
7.3.70.0030.00914.97
7.3.60.0030.01014.86
7.3.50.0030.01414.77
7.3.40.0070.00715.08
7.3.30.0060.00615.02
7.3.20.0110.00016.78
7.3.10.0080.00616.73
7.3.00.0140.00516.84
7.2.260.0120.00615.23
7.2.250.0070.00715.29
7.2.240.0080.00815.25
7.2.230.0100.00315.37
7.2.220.0100.00715.33
7.2.210.0030.00615.50
7.2.200.0030.00915.23
7.2.190.0030.00615.34
7.2.180.0090.00015.38
7.2.170.0060.00915.27
7.2.160.0090.00915.21
7.2.150.0030.00716.91
7.2.140.0060.00617.13
7.2.130.0050.01216.86
7.2.120.0020.01516.87
7.2.110.0100.00717.07
7.2.100.0130.00217.08
7.2.90.0090.00817.06
7.2.80.0100.00617.08
7.2.70.0110.00616.97
7.2.60.0060.00917.14
7.2.50.0150.00517.09
7.2.40.0090.00917.10
7.2.30.0110.00817.03
7.2.20.0080.01217.06
7.2.10.0120.00617.16
7.2.00.0090.00817.91
7.1.330.0040.01115.92
7.1.320.0090.00616.17
7.1.310.0000.01416.01
7.1.300.0070.00315.96
7.1.290.0030.01215.89
7.1.280.0040.00716.02
7.1.270.0060.00615.90
7.1.260.0060.00815.99
7.1.250.0080.00516.02
7.1.240.0040.01216.07
7.1.230.0030.01016.07
7.1.220.0040.00716.00
7.1.210.0090.00615.98
7.1.200.0060.00615.93
7.1.190.0040.00815.83
7.1.180.0070.00715.99
7.1.170.0040.00716.14
7.1.160.0110.00315.89
7.1.150.0030.00615.94
7.1.140.0070.00715.96
7.1.130.0030.01216.05
7.1.120.0000.01415.99
7.1.110.0070.00716.02
7.1.100.0040.00716.13
7.1.90.0030.00916.20
7.1.80.0070.00415.79
7.1.70.0060.00216.74
7.1.60.0090.00817.66
7.1.50.0050.01316.45
7.1.40.0030.00915.86
7.1.30.0070.00715.97
7.1.20.0040.00816.06
7.1.10.0070.00716.04
7.1.00.0060.03619.10
7.0.330.0000.01315.54
7.0.320.0030.00715.66
7.0.310.0030.01015.60
7.0.300.0050.00515.66
7.0.290.0110.00415.63
7.0.280.0000.00815.68
7.0.270.0000.01515.50
7.0.260.0040.01115.68
7.0.250.0110.00415.43
7.0.240.0030.00915.68
7.0.230.0050.00515.50
7.0.220.0030.00915.72
7.0.210.0030.00915.57
7.0.200.0020.00816.11
7.0.190.0070.00315.57
7.0.180.0000.01215.73
7.0.170.0000.01315.77
7.0.160.0070.00715.48
7.0.150.0050.00515.77
7.0.140.0030.04218.80
7.0.130.0060.00615.40
7.0.120.0090.04718.89
7.0.110.0020.02818.87
7.0.100.0070.02518.73
7.0.90.0050.04718.92
7.0.80.0080.02818.80
7.0.70.0050.02418.91
7.0.60.0020.03118.74
7.0.50.0020.03918.78
7.0.40.0060.03516.86
7.0.30.0050.04416.88
7.0.20.0100.04016.70
7.0.10.0050.02316.72
7.0.00.0060.04216.85
5.6.400.0030.01314.25
5.6.390.0060.00914.71
5.6.380.0040.00414.31
5.6.370.0040.00814.21
5.6.360.0070.01114.53
5.6.350.0090.00014.43
5.6.340.0060.00614.54
5.6.330.0060.00614.59
5.6.320.0030.00914.85
5.6.310.0070.01014.44
5.6.300.0060.00614.63
5.6.290.0070.01014.55
5.6.280.0040.04117.76
5.6.270.0030.04817.67
5.6.260.0080.04517.81
5.6.250.0070.02817.69
5.6.240.0030.03717.79
5.6.230.0110.04017.84
5.6.220.0030.04217.54
5.6.210.0070.02217.68
5.6.200.0090.04017.70
5.6.190.0030.04317.58
5.6.180.0070.04217.77
5.6.170.0000.04917.57
5.6.160.0070.02517.53
5.6.150.0070.02517.62
5.6.140.0100.03317.67
5.6.130.0050.02517.59
5.6.120.0070.02317.61
5.6.110.0070.03817.82
5.6.100.0070.02417.60
5.6.90.0060.02417.47
5.6.80.0050.02217.29
5.6.70.0000.04717.30
5.6.60.0050.03517.37
5.6.50.0060.02117.35
5.6.40.0040.02617.38
5.6.30.0030.02617.40
5.6.20.0040.03817.05
5.6.10.0050.02017.17
5.6.00.0080.01717.26
5.5.380.0050.02316.12
5.5.370.0130.03216.11
5.5.360.0090.03015.93
5.5.350.0070.04215.96
5.5.340.0070.04516.21
5.5.330.0060.04216.28
5.5.320.0020.02616.11
5.5.310.0020.02916.08
5.5.300.0070.03016.14
5.5.290.0030.04216.08
5.5.280.0080.02916.30
5.5.270.0070.02316.29
5.5.260.0050.02116.28
5.5.250.0050.02415.85
5.5.240.0080.03715.81
5.5.230.0050.02615.85
5.5.220.0020.02515.85
5.5.210.0100.01715.83
5.5.200.0040.02216.04
5.5.190.0020.02515.97
5.5.180.0000.02915.96
5.5.170.0090.00614.40
5.5.160.0030.02315.87
5.5.150.0070.01915.93
5.5.140.0030.02515.82
5.5.130.0000.01915.88
5.5.120.0020.02515.73
5.5.110.0040.02415.90
5.5.100.0040.02215.70
5.5.90.0060.01915.70
5.5.80.0020.01715.83
5.5.70.0040.02215.96
5.5.60.0040.01615.71
5.5.50.0020.02015.60
5.5.40.0050.01815.77
5.5.30.0030.02015.70
5.5.20.0000.02115.75
5.5.10.0050.02015.90
5.5.00.0030.02515.63
5.4.450.0060.03715.97
5.4.440.0030.02216.06
5.4.430.0050.02015.99
5.4.420.0020.04716.12
5.4.410.0030.03915.99
5.4.400.0020.04215.97
5.4.390.0020.03115.82
5.4.380.0020.02615.99
5.4.370.0070.02015.83
5.4.360.0030.02315.85
5.4.350.0050.02015.88
5.4.340.0030.03015.87
5.4.330.0080.00312.72
5.4.320.0020.02115.83
5.4.310.0030.02015.93
5.4.300.0040.01815.92
5.4.290.0000.02415.81
5.4.280.0050.01615.84
5.4.270.0050.01515.81
5.4.260.0040.01715.82
5.4.250.0060.01515.89
5.4.240.0000.02015.82
5.4.230.0010.01815.84
5.4.220.0060.01715.84
5.4.210.0010.01915.82
5.4.200.0020.02215.83
5.4.190.0030.02215.95
5.4.180.0050.01815.84
5.4.170.0030.01815.95
5.4.160.0030.01715.87
5.4.150.0060.01915.91
5.4.140.0020.02214.56
5.4.130.0040.01514.58
5.4.120.0050.01414.55
5.4.110.0020.02014.45
5.4.100.0040.01714.58
5.4.90.0030.01814.46
5.4.80.0020.02114.42
5.4.70.0030.02114.42
5.4.60.0020.02014.54
5.4.50.0050.02014.52
5.4.40.0070.03014.44
5.4.30.0030.02514.49
5.4.20.0010.02314.61
5.4.10.0030.03714.51
5.4.00.0030.02014.30
5.3.290.0030.01913.66
5.3.280.0020.02013.58
5.3.270.0000.02013.71
5.3.260.0000.02613.66
5.3.250.0030.01713.63
5.3.240.0000.02513.59
5.3.230.0030.01813.59
5.3.220.0020.02113.57
5.3.210.0040.02013.61
5.3.200.0000.02013.61
5.3.190.0030.02013.69
5.3.180.0020.01613.66
5.3.170.0050.01513.56
5.3.160.0030.01713.58
5.3.150.0020.03713.69
5.3.140.0030.02013.55
5.3.130.0020.02313.59
5.3.120.0070.03013.58
5.3.110.0020.02213.67
5.3.100.0030.02313.30
5.3.90.0050.03613.37
5.3.80.0030.02113.33
5.3.70.0060.02513.34
5.3.60.0020.03713.29
5.3.50.0050.02313.34
5.3.40.0000.04213.30
5.3.30.0030.04013.34
5.3.20.0080.03713.15
5.3.10.0000.02113.22
5.3.00.0020.02013.21
5.2.170.0030.05711.05
5.2.160.0030.05311.05
5.2.150.0000.03011.07
5.2.140.0000.02711.16
5.2.130.0000.05011.03
5.2.120.0000.05711.10
5.2.110.0030.05711.04
5.2.100.0000.03311.03
5.2.90.0000.03011.10
5.2.80.0070.04311.25
5.2.70.0000.03311.10
5.2.60.0000.05311.21
5.2.50.0070.02310.92
5.2.40.0070.02010.94
5.2.30.0030.05011.05
5.2.20.0000.03710.75
5.2.10.0030.03710.94
5.2.00.0000.03310.70
5.1.60.0030.02010.06
5.1.50.0000.02310.23
5.1.40.0000.06010.14
5.1.30.0070.04010.30
5.1.20.0030.02310.43
5.1.10.0070.02010.03
5.1.00.0070.05010.22
5.0.50.0000.0439.98
5.0.40.0000.0479.98
5.0.30.0000.0579.98
5.0.20.0000.0209.98
5.0.10.0000.0479.98
5.0.00.0000.0279.98
4.4.90.0000.0139.98
4.4.80.0000.0239.98
4.4.70.0000.0239.98
4.4.60.0000.0139.98
4.4.50.0000.0379.98
4.4.40.0030.0209.98
4.4.30.0030.0139.98
4.4.20.0000.0239.98
4.4.10.0000.0339.98
4.4.00.0000.0279.98
4.3.110.0030.0279.98
4.3.100.0030.0279.98
4.3.90.0000.0339.98
4.3.80.0000.0509.98
4.3.70.0030.0239.98
4.3.60.0000.0339.98
4.3.50.0000.0239.98
4.3.40.0000.0479.98
4.3.30.0100.0279.98
4.3.20.0000.0379.98
4.3.10.0000.0339.98
4.3.00.0000.0339.98

preferences:
40.28 ms | 401 KiB | 5 Q