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 $enc1."\n"; echo $dec1."\n"; echo $dec2."\n"; echo $dec3."\n";

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)
7.4.00.0090.00914.66
7.3.120.0030.01314.89
7.3.110.0130.00314.73
7.3.100.0100.00714.73
7.3.90.0100.01014.85
7.3.80.0100.00314.74
7.3.70.0030.00914.80
7.3.60.0000.01214.98
7.3.50.0090.00015.00
7.3.40.0030.01214.61
7.3.30.0040.01414.78
7.3.20.0040.00416.74
7.3.10.0030.00916.43
7.3.00.0070.00716.34
7.2.250.0070.01115.05
7.2.240.0060.01314.80
7.2.230.0090.00615.29
7.2.220.0060.00614.83
7.2.210.0110.00315.00
7.2.200.0030.00715.13
7.2.190.0040.00714.99
7.2.180.0080.00314.88
7.2.170.0030.01314.95
7.2.00.0030.01318.94
7.1.330.0070.00715.84
7.1.320.0060.00315.61
7.1.310.0060.00616.14
7.1.300.0090.00015.72
7.1.290.0040.00815.93
7.1.280.0070.00715.55
7.1.270.0070.00715.84
7.1.260.0030.01015.72
7.1.70.0000.00717.19
7.1.60.0000.01619.17
7.1.50.0070.01717.01
7.1.00.0030.04322.30
7.0.200.0000.00716.80
7.0.140.0000.07722.00
7.0.100.0070.08720.21
7.0.90.0070.04719.92
7.0.80.0070.09319.94
7.0.70.0330.07319.89
7.0.60.0400.07720.01
7.0.50.0270.04720.22
7.0.40.0130.07719.93
7.0.30.0030.05320.08
7.0.20.0030.04320.05
7.0.10.0030.04320.04
7.0.00.0030.05019.99
5.6.280.0030.07320.86
5.6.250.0030.09020.62
5.6.240.0070.08720.60
5.6.230.0200.07020.67
5.6.220.0100.07720.57
5.6.210.0130.08020.46
5.6.200.0070.07720.99
5.6.190.0170.07720.91
5.6.180.0170.07720.90
5.6.170.0100.07321.04
5.6.160.0100.04320.95
5.6.150.0000.05321.13
5.6.140.0070.04020.98
5.6.130.0100.04320.98
5.6.120.0030.04720.89
5.6.110.0070.07020.87
5.6.100.0030.08321.00
5.6.90.0070.04320.94
5.6.80.0070.05720.36
5.6.70.0030.04020.42
5.6.60.0100.03720.27
5.6.50.0030.04020.35
5.6.40.0130.02720.30
5.6.30.0030.04020.32
5.6.20.0030.04020.25
5.6.10.0100.05720.34
5.6.00.0170.02720.39
5.5.380.0030.08020.36
5.5.370.0130.07020.37
5.5.360.0070.07020.30
5.5.350.0130.07720.33
5.5.340.0030.04320.81
5.5.330.0130.08020.72
5.5.320.0100.07720.58
5.5.310.0130.07320.83
5.5.300.0100.03720.81
5.5.290.0100.03720.80
5.5.280.0030.04320.88
5.5.270.0030.04320.80
5.5.260.0030.04320.68
5.5.250.0100.04020.64
5.5.240.0030.04720.13
5.5.230.0130.03020.18
5.5.220.0170.02720.14
5.5.210.0030.04020.24
5.5.200.0030.04020.22
5.5.190.0030.03720.09
5.5.180.0030.04320.22
5.5.160.0030.04320.15
5.5.150.0030.04020.12
5.5.140.0030.04020.15
5.5.130.0000.03720.08
5.5.120.0030.03720.18
5.5.110.0070.03720.20
5.5.100.0000.04720.06
5.5.90.0130.05719.89
5.5.80.0070.04320.02
5.5.70.0070.04020.00
5.5.60.0030.08020.10
5.5.50.0100.07320.02
5.5.40.0100.06020.00
5.5.30.0070.07319.89
5.5.20.0200.06720.00
5.5.10.0100.07020.07
5.5.00.0100.07719.98
5.4.450.0130.04019.11
5.4.440.0100.05319.44
5.4.430.0030.05019.27
5.4.420.0070.05019.34
5.4.410.0000.04719.29
5.4.400.0030.03718.95
5.4.390.0070.03318.95
5.4.380.0000.04019.23
5.4.370.0030.06719.07
5.4.360.0070.03019.13
5.4.350.0030.09018.96
5.4.340.0000.03718.79
5.4.320.0070.03719.06
5.4.310.0030.04319.10
5.4.300.0070.03318.98
5.4.290.0000.05719.14
5.4.280.0100.03318.78
5.4.270.0030.03318.91
5.4.260.0070.03319.04
5.4.250.0000.04018.92
5.4.240.0070.04019.02
5.4.230.0030.06018.78
5.4.220.0170.06319.02
5.4.210.0070.07319.09
5.4.200.0030.05019.05
5.4.190.0070.07319.08
5.4.180.0100.06719.13
5.4.170.0070.07719.21
5.4.160.0170.06718.93
5.4.150.0130.07019.11
5.4.140.0100.04716.22
5.4.130.0030.05316.20
5.4.120.0100.07016.21
5.4.110.0170.07016.30
5.4.100.0070.07716.36
5.4.90.0070.07016.42
5.4.80.0000.07316.21
5.4.70.0070.07016.25
5.4.60.0070.03316.36
5.4.50.0030.08016.23
5.4.40.0100.06316.29
5.4.30.0170.03016.31
5.4.20.0130.07016.18
5.4.10.0070.07716.40
5.4.00.0070.06715.72
5.3.290.0070.07714.48
5.3.280.0100.07714.45
5.3.270.0030.08014.61
5.3.260.0100.06714.59
5.3.250.0100.07314.59
5.3.240.0130.05014.58
5.3.230.0100.04314.46
5.3.220.0070.07014.53
5.3.210.0130.07314.42
5.3.200.0100.06314.42
5.3.190.0100.07314.50
5.3.180.0170.06314.39
5.3.170.0030.08014.55
5.3.160.0100.06714.44
5.3.150.0030.04714.51
5.3.140.0100.07714.54
5.3.130.0170.07014.49
5.3.120.0030.08014.54
5.3.110.0100.07314.48
5.3.100.0100.06313.97
5.3.90.0100.07013.85
5.3.80.0030.07313.88
5.3.70.0070.07013.86
5.3.60.0100.06313.99
5.3.50.0030.07713.94
5.3.40.0170.06013.93
5.3.30.0070.07313.91
5.3.20.0070.07013.55
5.3.10.0100.06313.61
5.3.00.0170.06013.49
5.2.170.0130.05712.19
5.2.160.0070.05312.19
5.2.150.0030.06712.19
5.2.140.0070.03712.19
5.2.130.0100.05712.19
5.2.120.0030.06012.19
5.2.110.0130.03712.19
5.2.100.0100.05012.19
5.2.90.0070.06012.19
5.2.80.0030.06012.19
5.2.70.0070.05712.19
5.2.60.0030.07712.19
5.2.50.0070.05712.19
5.2.40.0100.05712.19
5.2.30.0070.04012.19
5.2.20.0070.03312.19
5.2.10.0030.04312.19
5.2.00.0000.06312.19
5.1.60.0030.05012.19
5.1.50.0000.03712.19
5.1.40.0070.05012.19
5.1.30.0070.05312.19
5.1.20.0070.05312.19
5.1.10.0130.04312.19
5.1.00.0070.05012.19
5.0.50.0000.05012.19
5.0.40.0030.02712.19
5.0.30.0100.05712.19
5.0.20.0030.02012.19
5.0.10.0070.03312.19
5.0.00.0030.07012.19
4.4.90.0000.03312.19
4.4.80.0030.03312.19
4.4.70.0070.01712.19
4.4.60.0000.01712.19
4.4.50.0000.03312.19
4.4.40.0070.03712.19
4.4.30.0030.03312.19
4.4.20.0000.04012.19
4.4.10.0030.03712.19
4.4.00.0000.05312.19
4.3.110.0000.03312.19
4.3.100.0000.02712.19
4.3.90.0030.01712.19
4.3.80.0030.05712.19
4.3.70.0030.03312.19
4.3.60.0070.02712.19
4.3.50.0030.02712.19
4.3.40.0070.04312.19
4.3.30.0000.03712.19
4.3.20.0000.03712.19
4.3.10.0000.04012.19
4.3.00.0030.03312.19

preferences:
34.87 ms | 400 KiB | 5 Q