3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo bin2hex(strrev(base64_encode(123456789))); echo " "; $str = "3d3d516343746d4d6d6c31566956336"; echo $str; echo " "; $b64 = base64_decode($str); echo $b64;

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)
8.3.60.0120.00318.43
8.3.50.0070.00716.11
8.3.40.0070.00718.46
8.3.30.0140.00718.67
8.3.20.0030.00622.06
8.3.10.0050.00323.66
8.3.00.0040.00419.01
8.2.180.0100.00716.38
8.2.170.0070.01122.96
8.2.160.0070.01520.41
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00420.99
8.2.120.0040.00426.35
8.2.110.0050.00320.47
8.2.100.0110.00017.91
8.2.90.0080.00019.23
8.2.80.0000.00817.97
8.2.70.0100.00517.25
8.2.60.0080.00017.80
8.2.50.0000.00818.10
8.2.40.0030.00520.66
8.2.30.0040.00421.04
8.2.20.0080.00017.93
8.2.10.0040.00418.10
8.2.00.0060.00318.17
8.1.280.0040.01125.92
8.1.270.0040.00422.14
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00423.76
8.1.230.0110.00020.99
8.1.220.0090.00017.76
8.1.210.0000.00818.77
8.1.200.0030.00617.10
8.1.190.0040.00417.23
8.1.180.0000.00718.10
8.1.170.0050.00318.34
8.1.160.0040.00418.99
8.1.150.0050.00320.61
8.1.140.0000.00719.57
8.1.130.0030.00718.71
8.1.120.0050.00317.29
8.1.110.0000.00917.40
8.1.100.0000.00817.41
8.1.90.0000.00717.28
8.1.80.0000.00717.39
8.1.70.0030.00317.39
8.1.60.0060.00317.54
8.1.50.0050.00317.35
8.1.40.0050.00217.50
8.1.30.0040.00417.55
8.1.20.0040.00417.45
8.1.10.0000.00817.46
8.1.00.0040.00417.45
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0040.00418.49
8.0.270.0000.00717.22
8.0.260.0060.00016.74
8.0.250.0040.00416.84
8.0.240.0000.00816.96
8.0.230.0030.00316.89
8.0.220.0000.00716.83
8.0.210.0040.00416.82
8.0.200.0040.00416.84
8.0.190.0000.00916.79
8.0.180.0050.00216.83
8.0.170.0040.00416.86
8.0.160.0060.00316.80
8.0.150.0070.00016.66
8.0.140.0070.00016.74
8.0.130.0060.00013.31
8.0.120.0030.00516.67
8.0.110.0070.00016.88
8.0.100.0000.00716.84
8.0.90.0070.00016.95
8.0.80.0100.01016.78
8.0.70.0080.00016.70
8.0.60.0070.00016.88
8.0.50.0040.00416.71
8.0.30.0110.00616.95
8.0.20.0090.01017.40
8.0.10.0000.00716.78
8.0.00.0170.00016.66
7.4.330.0000.00615.55
7.4.320.0060.00016.42
7.4.300.0030.00316.43
7.4.290.0060.00316.42
7.4.280.0000.00816.52
7.4.270.0000.00716.42
7.4.260.0000.00716.56
7.4.250.0050.00316.46
7.4.240.0000.00816.36
7.4.230.0040.00416.55
7.4.220.0140.00716.39
7.4.210.0100.00916.45
7.4.200.0030.00316.64
7.4.160.0090.00716.40
7.4.150.0140.00317.40
7.4.140.0130.00617.86
7.4.130.0130.00616.60
7.4.120.0060.01316.37
7.4.110.0060.00916.38
7.4.100.0120.00916.44
7.4.90.0210.00616.38
7.4.80.0070.01319.39
7.4.70.0060.00916.36
7.4.60.0100.00716.46
7.4.50.0100.00716.28
7.4.40.0100.00616.23
7.4.30.0140.00516.44
7.4.10.0030.01716.36
7.4.00.0080.00915.71
7.3.330.0000.00612.91
7.3.320.0060.00013.08
7.3.310.0030.00316.26
7.3.300.0030.00316.12
7.3.290.0040.00416.20
7.3.280.0080.00816.18
7.3.270.0090.00817.40
7.3.260.0080.01116.38
7.3.250.0070.01116.34
7.3.240.0120.00516.35
7.3.230.0130.00716.16
7.3.210.0060.01016.32
7.3.200.0080.01316.51
7.3.190.0030.01316.40
7.3.180.0060.01616.28
7.3.170.0000.01516.35
7.3.160.0080.00816.17
7.3.130.0030.01416.22
7.3.120.0140.00416.11
7.3.110.0030.01016.35
7.3.100.0030.01416.34
7.3.90.0090.00916.15
7.3.80.0060.01016.56
7.3.70.0090.00616.27
7.3.60.0070.00716.15
7.3.50.0030.01315.94
7.3.40.0000.01516.27
7.3.30.0130.00016.20
7.3.20.0000.01118.11
7.3.10.0030.01018.00
7.3.00.0080.00418.13
7.2.330.0090.00916.36
7.2.320.0080.00816.43
7.2.310.0040.01216.48
7.2.300.0150.00816.32
7.2.290.0100.00716.46
7.2.260.0040.01516.56
7.2.250.0030.01716.59
7.2.240.0080.00816.39
7.2.230.0080.00816.45
7.2.220.0000.01816.25
7.2.210.0110.00416.33
7.2.200.0090.00616.36
7.2.190.0140.00416.44
7.2.180.0060.00916.45
7.2.170.0060.01016.30
7.2.160.0070.00716.23
7.2.150.0030.01018.16
7.2.140.0130.00618.43
7.2.130.0120.00318.31
7.2.120.0120.00618.29
7.2.110.0030.00718.32
7.2.100.0040.01118.40
7.2.90.0610.01116.45
7.2.80.0050.01016.57
7.2.70.0070.01016.81
7.2.60.0100.01016.60
7.2.50.0100.01116.65
7.2.40.0070.00816.73
7.2.30.0060.00816.68
7.2.20.0150.00516.71
7.2.10.0070.00716.61
7.2.00.0110.00416.74
7.1.330.0060.00617.31
7.1.320.0060.01217.25
7.1.310.0070.00717.47
7.1.300.0150.00317.29
7.1.290.0090.00617.36
7.1.280.0070.00717.11
7.1.270.0060.00617.24
7.1.260.0000.01717.14
7.1.250.0050.00617.10
7.1.240.0060.00917.09
7.1.230.0060.01117.22
7.1.220.0070.00317.27
7.1.210.0290.00515.61
7.1.200.0520.00615.68
7.1.190.0030.01115.61
7.1.180.0180.01115.64
7.1.170.0020.01215.46
7.1.160.0070.00715.57
7.1.150.0090.00415.60
7.1.140.0050.00715.55
7.1.130.0080.00815.56
7.1.120.0430.00215.69
7.1.110.0070.00515.40
7.1.100.0070.00515.70
7.1.90.0070.00515.72
7.1.80.0070.00515.55
7.1.70.0210.00515.47
7.1.60.0200.00924.47
7.1.50.0620.00524.67
7.1.40.0520.01324.60
7.1.30.0160.01124.44
7.1.20.0570.00924.66
7.1.10.0190.00915.61
7.1.00.0520.01015.57
7.0.330.0050.00516.88
7.0.320.0030.01016.99
7.0.310.0070.00715.18
7.0.300.0090.00515.24
7.0.290.0070.00615.16
7.0.280.0190.00315.18
7.0.270.0040.01215.22
7.0.260.0240.00915.07
7.0.250.0070.00715.25
7.0.240.0400.00315.31
7.0.230.0070.00715.18
7.0.220.0090.00615.24
7.0.210.0120.00515.27
7.0.200.0080.01015.26
7.0.190.0710.00615.17
7.0.180.0100.00515.28
7.0.170.0350.00815.29
7.0.160.0470.00215.33
7.0.150.0080.00815.26
7.0.140.0070.00815.24
7.0.130.0090.01115.11
7.0.120.0610.00215.25
7.0.110.0060.01115.27
7.0.100.0120.00515.41
7.0.90.0210.00315.26
7.0.80.0290.00715.34
7.0.70.0130.00415.39
7.0.60.0530.00515.39
7.0.50.0720.00515.33
7.0.40.0700.01114.25
7.0.30.0900.00714.29
7.0.20.0810.00914.13
7.0.10.0700.00914.32
7.0.00.0210.00914.29
5.6.400.0060.01215.76
5.6.390.0040.01115.58
5.6.380.0110.00715.72
5.6.370.0090.00615.93
5.6.360.0030.01215.57
5.6.350.0060.00815.66
5.6.340.0070.00315.84
5.6.330.0070.01015.46
5.6.320.0030.00715.45
5.6.310.0130.00315.54
5.6.300.0060.00915.89
5.6.290.0110.00715.54
5.6.280.0140.00315.86
5.6.270.0090.00315.79
5.6.260.0030.00715.64
5.6.250.0000.01115.51
5.6.240.0030.01015.81
5.6.230.0070.01015.77
5.6.220.0060.00615.76
5.6.210.0070.00715.61
5.6.200.0040.00815.77
5.6.190.0050.00515.79
5.6.180.0090.00315.61
5.6.170.0040.00815.90
5.6.160.0100.00715.83
5.6.150.0000.01115.68
5.6.140.0100.00715.60
5.6.130.0110.00015.53
5.6.120.0070.00415.78
5.6.110.0120.00015.71
5.6.100.0000.01315.61
5.6.90.0070.00815.46
5.6.80.0070.00715.89
5.6.70.0070.00715.55
5.6.60.0040.01115.49
5.6.50.0070.01115.79
5.6.40.0000.01415.74
5.6.30.0070.01015.64
5.6.20.0060.00615.69
5.6.10.0100.00015.46
5.6.00.0030.00715.62

preferences:
56.99 ms | 401 KiB | 5 Q