3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode('ok', JSON_THROW_ON_ERROR, 512));

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)
8.3.70.0070.01018.55
8.3.60.0140.00318.05
8.3.50.0070.00716.36
8.3.40.0140.00418.66
8.3.30.0120.00318.63
8.3.20.0040.00420.36
8.3.10.0000.00720.34
8.3.00.0040.00422.27
8.2.180.0040.01118.17
8.2.170.0110.00322.96
8.2.160.0080.00622.16
8.2.150.0020.00524.18
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0040.00421.07
8.2.110.0060.00320.37
8.2.100.0040.00717.66
8.2.90.0040.00417.63
8.2.80.0040.00418.61
8.2.70.0040.00417.91
8.2.60.0060.00317.91
8.2.50.0030.00519.23
8.2.40.0040.00419.36
8.2.30.0050.00319.18
8.2.20.0000.00717.91
8.2.10.0000.00719.32
8.2.00.0070.00019.00
8.1.280.0090.00625.92
8.1.270.0080.00023.96
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0040.00423.86
8.1.230.0080.00419.07
8.1.220.0080.00017.74
8.1.210.0000.00918.77
8.1.200.0060.00317.23
8.1.190.0030.00617.10
8.1.180.0030.00618.10
8.1.170.0060.00318.59
8.1.160.0040.00418.66
8.1.150.0070.00318.72
8.1.140.0000.00720.31
8.1.130.0030.00317.23
8.1.120.0020.00517.30
8.1.110.0040.00417.29
8.1.100.0040.00417.22
8.1.90.0090.00017.26
8.1.80.0030.00317.28
8.1.70.0000.00817.30
8.1.60.0000.00817.36
8.1.50.0040.00417.40
8.1.40.0060.00317.39
8.1.30.0000.00917.62
8.1.20.0030.00517.52
8.1.10.0080.00017.44
8.1.00.0030.00517.21
8.0.300.0060.00318.77
8.0.290.0030.00616.63
8.0.280.0030.00318.31
8.0.270.0070.00017.04
8.0.260.0060.00018.32
8.0.250.0000.00716.79
8.0.240.0020.00516.82
8.0.230.0070.00016.73
8.0.220.0000.00716.77
8.0.210.0000.00716.77
8.0.200.0000.00716.73
8.0.190.0070.00016.83
8.0.180.0060.00616.72
8.0.170.0060.00316.64
8.0.160.0040.00416.79
8.0.150.0040.00416.59
8.0.140.0030.00316.69
8.0.130.0030.00313.13
8.0.120.0000.00816.73
8.0.110.0090.00016.61
8.0.100.0030.00516.61
8.0.90.0020.00516.83
8.0.80.0100.00516.72
8.0.70.0070.00016.81
8.0.60.0040.00416.72
8.0.50.0040.00416.66
8.0.30.0090.00917.03
8.0.20.0100.00916.88
8.0.10.0130.00417.11
8.0.00.0100.01016.77
7.4.330.0020.00215.55
7.4.320.0000.00616.46
7.4.300.0030.00316.39
7.4.290.0040.00416.37
7.4.280.0040.00416.35
7.4.270.0000.00716.27
7.4.260.0000.00513.09
7.4.250.0030.00316.29
7.4.240.0080.00016.31
7.4.230.0040.00416.26
7.4.220.0050.00216.55
7.4.210.0080.01116.48
7.4.200.0000.00716.35
7.4.160.0060.00916.23
7.4.150.0060.01016.53
7.4.140.0060.01116.42
7.4.130.0080.00916.28
7.4.120.0030.01616.29
7.4.110.0150.00116.31
7.4.100.0140.00316.29
7.4.90.0040.01116.37
7.4.80.0080.00817.75
7.4.70.0090.00816.36
7.4.60.0110.00816.38
7.4.50.0080.01016.02
7.4.40.0100.00616.17
7.4.30.0070.01016.05
7.4.20.0050.01116.28
7.4.10.0070.00816.03
7.4.00.0080.00715.78
7.3.330.0040.00415.96
7.3.320.0030.00312.89
7.3.310.0000.00616.27
7.3.300.0030.00316.11
7.3.290.0060.00816.10
7.3.270.0080.00816.26
7.3.260.0120.00616.32
7.3.250.0110.00416.27
7.3.240.0080.01016.30
7.3.230.0100.00616.27
7.3.220.0100.00515.98
7.3.210.0100.00516.30
7.3.200.0080.00916.26
7.3.190.0060.01016.23
7.3.180.0090.00716.20
7.3.170.0100.00816.26
7.3.160.0030.01216.09
7.3.150.0090.00616.09
7.3.140.0060.00916.06
7.3.130.0100.00416.26
7.3.120.0100.00516.14
7.3.110.0050.01116.18
7.3.100.0100.00615.25
7.3.90.0060.01015.45
7.3.80.0070.00915.27
7.3.70.0050.01215.29
7.3.60.0110.00615.41
7.3.50.0080.00815.36
7.3.40.0070.01115.36
7.3.30.0110.00715.28
7.3.20.0240.00615.48
7.3.10.0550.00715.39
7.3.00.0250.00815.33
7.2.340.0200.00616.69
7.2.330.0100.01216.46
7.2.320.0150.01216.42
7.2.310.0160.00916.50
7.2.300.0220.00116.26
7.2.290.0120.01016.55
7.2.280.0190.00916.22
7.2.270.0090.01416.48
7.2.260.0120.00916.44
7.2.250.0040.01716.43
7.2.240.0130.00916.41
7.2.230.0090.01315.84
7.2.220.0120.00815.48
7.2.210.0090.01015.60
7.2.200.0120.00915.53
7.2.190.0120.01115.55
7.2.180.0120.00915.59
7.2.170.0120.00815.56
7.2.160.0450.00915.54
7.2.150.0250.00915.63
7.2.140.0300.00415.62
7.2.130.0190.01115.65
7.2.120.0260.00715.64
7.2.110.0150.00915.54
7.2.100.0240.00915.61
7.2.90.0610.01015.67
7.2.80.0310.00415.60
7.2.70.0350.00515.57
7.2.60.0150.00815.49
7.2.50.0340.00715.53
7.2.40.0300.01215.54
7.2.30.0260.01215.53
7.2.20.0270.01015.52
7.2.10.0200.01015.64
7.2.00.0310.00915.74
7.1.330.0140.00815.31
7.1.320.0280.00814.52
7.1.310.0240.01214.53
7.1.300.0180.00914.67
7.1.290.0190.00714.48
7.1.280.0200.01114.43
7.1.270.0200.00614.52
7.1.260.0300.00514.60
7.1.250.0240.01114.63
7.1.240.0130.01215.29
7.1.230.0140.01215.46
7.1.220.0160.01315.26
7.1.210.0190.00815.35
7.1.200.0190.00915.36
7.1.190.0120.01315.35
7.1.180.0200.00915.31
7.1.170.0140.01215.27
7.1.160.0220.00715.31
7.1.150.0170.00915.21
7.1.140.0190.00915.33
7.1.130.0170.00815.41
7.1.120.0220.00415.40
7.1.110.0160.01115.41
7.1.100.0130.01115.17
7.1.90.0140.01315.42
7.1.80.0200.00815.36
7.1.70.0180.00915.34
7.1.60.0190.00515.39
7.1.50.0150.00815.38
7.1.40.0210.00615.43
7.1.30.0140.01015.34
7.1.20.0150.00915.35
7.1.10.0190.00815.42
7.1.00.0130.00715.24

preferences:
69.81 ms | 401 KiB | 5 Q