3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode("COP:2000,RUR:1000"));

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)
8.3.60.0080.00816.50
8.3.50.0050.01322.77
8.3.40.0000.01518.59
8.3.30.0110.00718.79
8.3.20.0000.00820.16
8.3.10.0080.00023.48
8.3.00.0040.00417.35
8.2.180.0110.00325.92
8.2.170.0120.00322.96
8.2.160.0100.00320.50
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0040.00421.10
8.2.110.0040.00422.13
8.2.100.0000.01117.78
8.2.90.0050.00319.09
8.2.80.0030.00517.97
8.2.70.0030.00617.38
8.2.60.0040.00417.68
8.2.50.0040.00418.07
8.2.40.0030.00718.04
8.2.30.0040.00417.91
8.2.20.0040.00417.42
8.2.10.0040.00417.98
8.2.00.0040.00417.48
8.1.280.0080.00625.92
8.1.270.0000.01123.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.98
8.1.230.0100.00318.96
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0090.00018.47
8.1.160.0000.00721.85
8.1.150.0000.00718.73
8.1.140.0040.00417.30
8.1.130.0030.00317.79
8.1.120.0030.00317.22
8.1.110.0030.00517.35
8.1.100.0040.00417.21
8.1.90.0050.00217.22
8.1.80.0030.00517.37
8.1.70.0030.00317.24
8.1.60.0040.00717.34
8.1.50.0050.00317.43
8.1.40.0080.00017.29
8.1.30.0040.00417.45
8.1.20.0040.00417.51
8.1.10.0080.00017.30
8.1.00.0020.00517.33
8.0.300.0000.00718.77
8.0.290.0030.00616.63
8.0.280.0040.00418.18
8.0.270.0040.00417.03
8.0.260.0060.00016.99
8.0.250.0000.00716.81
8.0.240.0030.00616.78
8.0.230.0050.00216.81
8.0.220.0030.00316.78
8.0.210.0030.00316.71
8.0.200.0000.00616.80
8.0.190.0000.00816.79
8.0.180.0000.00716.85
8.0.170.0040.00416.70
8.0.160.0080.00016.70
8.0.150.0030.00316.60
8.0.140.0000.00716.71
8.0.130.0070.00013.20
8.0.120.0000.00816.72
8.0.110.0000.00716.67
8.0.100.0070.00016.77
8.0.90.0000.00716.66
8.0.80.0020.01216.81
8.0.70.0000.00816.78
8.0.60.0020.00516.59
8.0.50.0000.00716.55
8.0.30.0120.00716.89
8.0.20.0080.01117.40
8.0.10.0080.00016.66
8.0.00.0100.00816.76
7.4.330.0020.00215.00
7.4.320.0000.00616.30
7.4.300.0030.00316.36
7.4.290.0030.00316.46
7.4.280.0060.00916.34
7.4.270.0000.00716.26
7.4.260.0030.00316.36
7.4.250.0030.00316.24
7.4.240.0040.00416.45
7.4.230.0040.00416.53
7.4.220.0190.00816.56
7.4.210.0160.00016.48
7.4.200.0040.00416.45
7.4.160.0060.00916.27
7.4.150.0060.01117.40
7.4.140.0090.00817.86
7.4.130.0090.00816.47
7.4.120.0100.00716.21
7.4.110.0030.01316.26
7.4.100.0030.01416.37
7.4.90.0130.00316.36
7.4.80.0090.00919.39
7.4.70.0140.00316.36
7.4.60.0000.01816.36
7.4.50.0060.00316.25
7.4.40.0100.00716.37
7.4.30.0100.00716.25
7.4.00.0100.00714.77
7.3.330.0060.00012.96
7.3.320.0000.00613.03
7.3.310.0040.00415.98
7.3.300.0000.00715.97
7.3.290.0070.01015.98
7.3.280.0050.01116.13
7.3.270.0090.00617.40
7.3.260.0140.00316.08
7.3.250.0090.01116.27
7.3.240.0090.00916.43
7.3.230.0000.01916.39
7.3.210.0060.01016.38
7.3.200.0060.01319.39
7.3.190.0100.01116.40
7.3.180.0060.01216.10
7.3.170.0090.01116.27
7.3.160.0040.01116.30
7.2.330.0180.00716.46
7.2.320.0150.00916.24
7.2.310.0080.00816.53
7.2.300.0040.01316.39
7.2.290.0060.01516.60
7.2.60.0210.00816.43
7.2.00.0120.00418.94
7.1.200.0030.00515.79
7.1.100.0000.01217.84
7.1.70.0080.00016.70
7.1.60.0100.01419.40
7.1.50.0130.01016.53
7.1.00.0070.07022.30
7.0.200.0030.00616.79
7.0.140.0000.07721.95
7.0.90.0070.06719.98
7.0.80.0100.04319.84
7.0.70.0500.08020.12
7.0.60.0100.07319.87
7.0.50.0330.06320.33
7.0.40.0130.08019.95
7.0.30.0070.08320.07
7.0.20.0030.08320.11
7.0.10.0130.07720.10
7.0.00.0070.08320.10
5.6.280.0030.07321.14
5.6.230.0030.05320.65
5.6.220.0070.04320.52
5.6.210.0100.06320.57
5.6.200.0030.04721.03
5.6.190.0130.07721.02
5.6.180.0100.04321.03
5.6.170.0070.04021.01
5.6.160.0130.06721.07
5.6.150.0130.07721.02
5.6.140.0100.08321.04
5.6.130.0000.05721.06
5.6.120.0130.06321.01
5.6.110.0130.04721.06
5.6.100.0030.05320.94
5.6.90.0070.08720.91
5.6.80.0070.05020.32
5.6.70.0070.08720.45
5.6.60.0070.04320.50
5.6.50.0170.06720.34
5.6.40.0070.04720.44
5.6.30.0130.06020.46
5.6.20.0130.05320.43
5.6.10.0030.08320.29
5.6.00.0030.04320.35
5.5.370.0170.07320.34
5.5.360.0100.07320.43
5.5.350.0170.03720.44
5.5.340.0100.07320.75
5.5.330.0100.07320.93
5.5.320.0070.09320.88
5.5.310.0030.07320.90
5.5.300.0030.08720.77
5.5.290.0070.08020.86
5.5.280.0130.08020.79
5.5.270.0030.05720.75
5.5.260.0030.08020.77
5.5.250.0070.07320.58
5.5.240.0030.05020.14
5.5.230.0100.03720.13
5.5.220.0100.04720.17
5.5.210.0130.06720.08
5.5.200.0100.07719.99
5.5.190.0100.05320.23
5.5.180.0000.04320.07
5.5.160.0070.08020.14
5.5.150.0100.05320.24
5.5.140.0070.03719.96
5.5.130.0030.08020.15
5.5.120.0100.07720.17
5.5.110.0030.08320.14
5.5.100.0070.06020.16
5.5.90.0100.04320.09
5.5.80.0030.04320.06
5.5.70.0070.06020.14
5.5.60.0070.07020.07
5.5.50.0070.04320.07
5.5.40.0130.07020.04
5.5.30.0070.08319.93
5.5.20.0100.06320.04
5.5.10.0070.04720.10
5.5.00.0270.05320.02
5.4.450.0100.07719.14
5.4.440.0030.04319.39
5.4.430.0100.04319.12
5.4.420.0030.05019.13
5.4.410.0130.06019.32
5.4.400.0100.06018.82
5.4.390.0070.05018.98
5.4.380.0030.06719.09
5.4.370.0000.05718.81
5.4.360.0130.07018.81
5.4.350.0130.07318.95
5.4.340.0030.07318.81
5.4.320.0000.08319.09
5.4.310.0030.04318.81
5.4.300.0000.08018.89
5.4.290.0030.08319.11
5.4.280.0100.07319.04
5.4.270.0100.05019.02
5.4.260.0070.07319.12
5.4.250.0030.04718.99
5.4.240.0070.05319.11
5.4.230.0000.04719.02
5.4.220.0170.06718.99
5.4.210.0100.06319.11
5.4.200.0030.05319.22
5.4.190.0000.05319.02
5.4.180.0130.06319.05
5.4.170.0070.07719.04
5.4.160.0030.03718.94
5.4.150.0130.07318.85
5.4.140.0000.04716.07
5.4.130.0170.03316.31
5.4.120.0030.04316.27
5.4.110.0030.04016.21
5.4.100.0030.04716.43
5.4.90.0070.04016.42
5.4.80.0000.04716.39
5.4.70.0100.03316.39
5.4.60.0030.03716.28
5.4.50.0130.04316.30
5.4.40.0100.07016.30
5.4.30.0070.06716.39
5.4.20.0070.06716.39
5.4.10.0070.06716.22
5.4.00.0030.07315.66
5.3.290.0000.08714.64
5.3.280.0070.07014.53
5.3.270.0030.08014.51
5.3.260.0070.07714.53
5.3.250.0100.07314.51
5.3.240.0100.06714.58
5.3.230.0170.06014.46
5.3.220.0100.06314.55
5.3.210.0100.07714.55
5.3.200.0070.07314.52
5.3.190.0100.06314.39
5.3.180.0000.08014.42
5.3.170.0100.07014.56
5.3.160.0030.04714.50
5.3.150.0130.05714.54
5.3.140.0000.05014.52
5.3.130.0070.03714.55
5.3.120.0030.07714.54
5.3.110.0100.07014.52
5.3.100.0130.06014.04
5.3.90.0130.05013.85
5.3.80.0030.05714.00
5.3.70.0030.07013.97
5.3.60.0070.04713.98
5.3.50.0070.07013.80
5.3.40.0100.04013.89
5.3.30.0030.06313.86
5.3.20.0130.06013.54
5.3.10.0070.03313.63
5.3.00.0100.07013.49
5.2.170.0000.04311.00
5.2.160.0030.04310.97
5.2.150.0030.06010.97
5.2.140.0100.04711.12
5.2.130.0000.04010.90
5.2.120.0070.04710.94
5.2.110.0030.06011.13
5.2.100.0070.06010.91
5.2.90.0100.05710.96
5.2.80.0000.03711.05
5.2.70.0030.05710.90
5.2.60.0070.05011.09
5.2.50.0130.03011.01
5.2.40.0100.04710.84
5.2.30.0000.06010.80
5.2.20.0030.03010.79
5.2.10.0030.06310.90
5.2.00.0000.04710.76
5.1.60.0100.0239.98
5.1.50.0000.04710.01
5.1.40.0070.0509.80
5.1.30.0100.03710.39
5.1.20.0100.05310.36
5.1.10.0030.05710.11
5.1.00.0000.04310.14
5.0.50.0000.0238.52
5.0.40.0000.0238.43
5.0.30.0070.0278.20
5.0.20.0000.0208.19
5.0.10.0000.0208.27
5.0.00.0070.0338.26
4.4.90.0000.0177.91
4.4.80.0000.0237.91
4.4.70.0030.0277.91
4.4.60.0000.0207.91
4.4.50.0070.0237.91
4.4.40.0000.0507.91
4.4.30.0000.0237.91
4.4.20.0070.0337.91
4.4.10.0000.0207.91
4.4.00.0000.0577.91
4.3.110.0000.0207.91
4.3.100.0030.0137.91
4.3.90.0000.0207.91
4.3.80.0030.0207.91
4.3.70.0000.0177.91
4.3.60.0030.0177.91
4.3.50.0030.0207.91
4.3.40.0000.0237.91
4.3.30.0000.0177.91
4.3.20.0000.0177.91
4.3.10.0030.0137.91
4.3.00.0000.0137.91

preferences:
38.08 ms | 401 KiB | 5 Q