3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'This is an encoded string'; echo base64_encode($str);

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)
8.3.60.0070.01018.16
8.3.50.0120.00521.98
8.3.40.0090.01218.68
8.3.30.0070.00719.00
8.3.20.0040.00420.13
8.3.10.0000.00723.65
8.3.00.0040.00419.38
8.2.180.0110.00418.00
8.2.170.0090.00622.96
8.2.160.0110.00320.52
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00322.28
8.2.110.0000.00922.11
8.2.100.0060.00617.75
8.2.90.0090.00019.28
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0040.00417.93
8.2.50.0030.00518.07
8.2.40.0040.00418.09
8.2.30.0040.00417.95
8.2.20.0040.00417.61
8.2.10.0030.00619.77
8.2.00.0030.00717.55
8.1.280.0110.00725.92
8.1.270.0080.00023.85
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0060.00323.96
8.1.230.0000.01018.96
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0050.00517.10
8.1.190.0050.00517.50
8.1.180.0030.00618.10
8.1.170.0000.00818.56
8.1.160.0030.00321.87
8.1.150.0070.00018.47
8.1.140.0000.00717.28
8.1.130.0000.00717.85
8.1.120.0030.00317.36
8.1.110.0000.00717.33
8.1.100.0000.00717.42
8.1.90.0050.00217.37
8.1.80.0030.00317.41
8.1.70.0050.00317.32
8.1.60.0070.00317.40
8.1.50.0030.00617.36
8.1.40.0050.00417.33
8.1.30.0050.00417.56
8.1.20.0070.00517.54
8.1.10.0080.00617.49
8.1.00.0080.00617.39
8.0.300.0030.00518.77
8.0.290.0040.00417.05
8.0.280.0030.00318.43
8.0.270.0030.00317.16
8.0.260.0000.00618.43
8.0.250.0030.00316.83
8.0.240.0030.00316.89
8.0.230.0030.00316.74
8.0.220.0040.00416.74
8.0.210.0000.00816.87
8.0.200.0050.00316.86
8.0.190.0040.00516.73
8.0.180.0030.00516.77
8.0.170.0060.00316.80
8.0.160.0020.00716.83
8.0.150.0090.00416.73
8.0.140.0120.00016.65
8.0.130.0050.00614.92
8.0.120.0100.00415.84
8.0.110.0110.00215.88
8.0.100.0110.00315.92
8.0.90.0070.00715.91
8.0.80.0120.00615.83
8.0.70.0110.00616.05
8.0.60.0100.00415.84
8.0.50.0110.00415.86
8.0.30.0110.00716.18
8.0.20.0100.00716.32
8.0.10.0100.00515.95
8.0.00.0070.00616.19
7.4.330.0060.00015.05
7.4.320.0040.00416.44
7.4.300.0080.00216.46
7.4.290.0070.00416.40
7.4.280.0050.00516.52
7.4.270.0060.00516.42
7.4.260.0110.00515.41
7.4.250.0120.00315.63
7.4.240.0090.00515.70
7.4.230.0110.00415.65
7.4.220.0130.00315.43
7.4.210.0090.00615.93
7.4.200.0070.00715.59
7.4.190.0110.00315.61
7.4.180.0120.00415.44
7.4.160.0110.00515.59
7.4.150.0080.00715.82
7.4.140.0100.00816.13
7.4.130.0120.00515.71
7.4.120.0100.00615.66
7.4.110.0100.00715.57
7.4.100.0140.00215.55
7.4.90.0100.00515.57
7.4.80.0100.00516.34
7.4.70.0100.00515.51
7.4.60.0090.00615.69
7.4.50.0090.00515.66
7.4.40.0090.00716.90
7.4.30.0110.00415.47
7.4.20.0080.00615.55
7.4.10.0110.00415.50
7.4.00.0090.00615.28
7.3.330.0110.00314.47
7.3.320.0110.00314.52
7.3.310.0110.00315.23
7.3.300.0100.00515.33
7.3.290.0140.00515.38
7.3.280.0110.00715.56
7.3.270.0130.00515.61
7.3.260.0130.00615.34
7.3.250.0110.00815.55
7.3.240.0150.00215.39
7.3.230.0150.00215.37
7.3.220.0150.00215.03
7.3.210.0090.00615.26
7.3.200.0130.00616.01
7.3.190.0140.00215.30
7.3.180.0120.00415.57
7.3.170.0120.00315.41
7.3.160.0130.00515.23
7.3.150.0130.00315.29
7.3.140.0120.00415.31
7.3.130.0120.00515.26
7.3.120.0100.00715.12
7.3.110.0110.00715.04
7.3.100.0110.00414.99
7.3.90.0100.00615.22
7.3.80.0100.00615.16
7.3.70.0110.00615.10
7.3.60.0090.00715.18
7.3.50.0130.00415.18
7.3.40.0100.00515.13
7.3.30.0100.00715.16
7.3.20.0180.00516.67
7.3.10.0190.00516.58
7.3.00.0210.00416.65
7.2.340.0140.00315.21
7.2.330.0120.00615.50
7.2.320.0130.00415.42
7.2.310.0120.00515.35
7.2.300.0150.00315.47
7.2.290.0090.00915.42
7.2.280.0140.00415.51
7.2.270.0110.00615.49
7.2.260.0140.00315.40
7.2.250.0120.00515.30
7.2.240.0100.00815.29
7.2.230.0100.00615.20
7.2.220.0080.00815.18
7.2.210.0120.00415.21
7.2.200.0110.00715.28
7.2.190.0110.00615.29
7.2.180.0100.00715.24
7.2.170.0100.00715.30
7.2.160.0120.00515.44
7.2.150.0210.00816.82
7.2.140.0180.00616.90
7.2.130.0180.00616.95
7.2.120.0150.00816.69
7.2.110.0190.00416.65
7.2.100.0190.00816.71
7.2.90.0210.00516.56
7.2.80.0230.00416.57
7.2.70.0210.00416.56
7.2.60.0150.00816.51
7.2.50.0200.00916.61
7.2.40.0240.00816.81
7.2.30.0240.00716.81
7.2.20.0270.00816.77
7.2.10.0240.00816.74
7.2.00.0160.00517.65
7.1.330.0110.00415.82
7.1.320.0130.00315.88
7.1.310.0130.00515.89
7.1.300.0100.00715.83
7.1.290.0110.00615.90
7.1.280.0250.00416.19
7.1.270.0080.00716.26
7.1.260.0110.00516.12
7.1.250.0210.00715.53
7.1.240.0170.00615.46
7.1.230.0230.00715.45
7.1.220.0290.00415.54
7.1.210.0210.00715.46
7.1.200.0200.00515.50
7.1.190.0240.00515.41
7.1.180.0290.00715.41
7.1.170.0270.00415.49
7.1.160.0370.00715.54
7.1.150.0320.00715.58
7.1.140.0330.00715.67
7.1.130.0340.00815.67
7.1.120.0330.00615.45
7.1.110.0330.00615.57
7.1.100.0280.00615.76
7.1.90.0310.00515.50
7.1.80.0290.00615.61
7.1.70.0230.00715.50
7.1.60.0230.01218.14
7.1.50.0270.00818.18
7.1.40.0200.00717.99
7.1.30.0280.00718.04
7.1.20.0250.00818.01
7.1.10.0190.00815.43
7.1.00.0250.00415.42
7.0.330.0250.00215.26
7.0.320.0210.00515.22
7.0.310.0230.00315.22
7.0.300.0350.00615.21
7.0.290.0410.00515.43
7.0.280.0250.00615.21
7.0.270.0310.00815.42
7.0.260.0350.00815.50
7.0.250.0330.00715.43
7.0.240.0280.00615.43
7.0.230.0320.00515.46
7.0.220.0330.00815.36
7.0.210.0290.00715.21
7.0.200.0530.00615.45
7.0.190.0230.00815.39
7.0.180.0210.00815.38
7.0.170.0350.00515.41
7.0.160.0220.00815.32
7.0.150.0190.00615.29
7.0.140.0190.00615.33
7.0.130.0210.00715.41
7.0.120.0200.00615.35
7.0.110.0210.00515.25
7.0.100.0230.00415.27
7.0.90.0240.00515.26
7.0.80.0220.00515.32
7.0.70.0200.00715.20
7.0.60.0210.00615.25
7.0.50.0210.00615.29
7.0.40.0230.00615.29
7.0.30.0240.00715.40
7.0.20.0220.00615.33
7.0.10.0190.00815.37
7.0.00.0200.00415.30
5.6.400.0140.00514.83
5.6.390.0150.00414.88
5.6.380.0140.00614.83
5.6.370.0120.00814.83
5.6.360.0130.00714.78
5.6.350.0140.00514.80
5.6.340.0090.00914.70
5.6.330.0140.00614.67
5.6.320.0140.00614.79
5.6.310.0140.00714.76
5.6.300.0130.02216.45
5.6.290.0140.01916.50
5.6.280.0150.02016.55
5.6.270.0150.01716.46
5.6.260.0110.02016.56
5.6.250.0150.02216.53
5.6.240.0100.02316.48
5.6.230.0150.01816.54
5.6.220.0100.02016.57
5.6.210.0120.01716.57
5.6.200.0120.01816.51
5.6.190.0100.02716.56
5.6.180.0120.02016.44
5.6.170.0120.02016.64
5.6.160.0170.01516.51
5.6.150.0130.01816.59
5.6.140.0150.01816.52
5.6.130.0130.01916.48
5.6.120.0120.02116.55
5.6.110.0140.01716.49
5.6.100.0100.02216.49
5.6.90.0130.02016.51
5.6.80.0130.01716.23
5.6.70.0100.02016.29
5.6.60.0160.01616.36
5.6.50.0140.01816.31
5.6.40.0120.01716.30
5.6.30.0110.02116.23
5.6.20.0150.01816.23
5.6.10.0140.01716.21
5.6.00.0100.01916.30
5.5.380.0140.02215.12
5.5.370.0100.02015.15
5.5.360.0130.02115.03
5.5.350.0100.01915.04
5.5.340.0130.02115.16
5.5.330.0120.01615.14
5.5.320.0140.01715.13
5.5.310.0100.02015.18
5.5.300.0130.02215.14
5.5.290.0130.01915.16
5.5.280.0130.01715.20
5.5.270.0120.01815.11
5.5.260.0140.02115.19
5.5.250.0150.01715.09
5.5.240.0120.01615.10
5.5.230.0130.01614.88
5.5.220.0110.01815.01
5.5.210.0140.01615.02
5.5.200.0140.01514.82
5.5.190.0150.01514.88
5.5.180.0130.01914.91
5.5.170.0120.00713.98
5.5.160.0120.01714.83
5.5.150.0120.01614.93
5.5.140.0130.02314.85
5.5.130.0130.01614.87
5.5.120.0100.01814.90
5.5.110.0110.02014.94
5.5.100.0110.01915.03
5.5.90.0140.01614.90
5.5.80.0150.01514.94
5.5.70.0130.02014.87
5.5.60.0110.02014.93
5.5.50.0110.01914.85
5.5.40.0130.01914.91
5.5.30.0110.01714.99
5.5.20.0100.01814.88
5.5.10.0120.01814.86
5.5.00.0120.02014.86
5.4.450.0120.01914.31
5.4.440.0110.01914.25
5.4.430.0100.01914.26
5.4.420.0110.02114.21
5.4.410.0110.01714.13
5.4.400.0100.01614.05
5.4.390.0130.01514.07
5.4.380.0120.01614.07
5.4.370.0120.01914.06
5.4.360.0110.02114.05
5.4.350.0090.01914.11
5.4.340.0090.01914.11
5.4.330.0110.00612.17
5.4.320.0110.02014.13
5.4.310.0110.01914.15
5.4.300.0110.02114.07
5.4.290.0110.01514.14
5.4.280.0130.01714.17
5.4.270.0110.01714.07
5.4.260.0120.01614.07
5.4.250.0110.01814.18
5.4.240.0100.01613.98
5.4.230.0100.01913.99
5.4.220.0120.02114.00
5.4.210.0120.01813.98
5.4.200.0130.01613.98
5.4.190.0100.01813.96
5.4.180.0140.01414.05
5.4.170.0090.01814.04
5.4.160.0070.01914.05
5.4.150.0100.01914.09
5.4.140.0100.01813.41
5.4.130.0120.01713.42
5.4.120.0110.01813.29
5.4.110.0130.01613.39
5.4.100.0110.01713.41
5.4.90.0090.01713.38
5.4.80.0100.02013.41
5.4.70.0100.01413.40
5.4.60.0090.01813.43
5.4.50.0090.01713.38
5.4.40.0130.01313.44
5.4.30.0120.01413.38
5.4.20.0090.02113.39
5.4.10.0120.01513.38
5.4.00.0140.01513.27
5.3.290.0120.01713.40
5.3.280.0110.01613.24
5.3.270.0070.02013.24
5.3.260.0110.02013.39
5.3.250.0100.01913.28
5.3.240.0100.02013.28
5.3.230.0100.02013.33
5.3.220.0110.01813.20
5.3.210.0110.01713.22
5.3.200.0100.01913.17
5.3.190.0080.02413.29
5.3.180.0150.01513.29
5.3.170.0100.01613.32
5.3.160.0090.01613.33
5.3.150.0100.01813.28
5.3.140.0120.01813.26
5.3.130.0110.01713.28
5.3.120.0120.01813.35
5.3.110.0110.01713.31
5.3.100.0100.01613.17
5.3.90.0120.01513.18
5.3.80.0110.01613.08
5.3.70.0110.02013.08
5.3.60.0110.01713.17
5.3.50.0100.01813.14
5.3.40.0090.02113.17
5.3.30.0090.01613.14
5.3.20.0080.01613.14
5.3.10.0080.01612.89
5.3.00.0110.01613.00

preferences:
49.35 ms | 401 KiB | 5 Q