3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = json_encode('{"some":"json here"}'); var_dump($test); var_dump(json_decode($test)); echo ' '; $tes2t = json_decode('{"some":"json here"}'); var_dump($tes2t);

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)
8.3.40.0080.00618.72
8.3.30.0110.00320.02
8.3.20.0070.00020.29
8.3.10.0070.00022.09
8.3.00.0070.00022.37
8.2.170.0110.00422.96
8.2.160.0130.00322.26
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0030.00617.50
8.2.110.0120.00422.25
8.2.100.0080.00417.69
8.2.90.0040.00419.21
8.2.80.0000.00719.41
8.2.70.0050.00317.50
8.2.60.0050.00318.03
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0040.00717.90
8.2.20.0000.00817.68
8.2.10.0030.00617.66
8.2.00.0040.00417.61
8.1.270.0080.00024.66
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0090.00023.91
8.1.230.0110.00019.15
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.30
8.1.180.0090.00019.01
8.1.170.0000.00818.49
8.1.160.0000.00720.98
8.1.150.0040.00418.52
8.1.140.0000.00717.26
8.1.130.0070.00017.82
8.1.120.0030.00517.34
8.1.110.0000.00817.44
8.1.100.0050.00317.40
8.1.90.0000.00717.28
8.1.80.0070.00017.26
8.1.70.0070.00017.39
8.1.60.0080.00017.53
8.1.50.0030.00517.45
8.1.40.0030.00617.32
8.1.30.0000.00817.44
8.1.20.0060.00317.40
8.1.10.0050.00317.50
8.1.00.0040.00417.43
8.0.300.0050.00218.77
8.0.290.0040.00417.18
8.0.280.0030.00518.35
8.0.270.0000.00717.24
8.0.260.0030.00316.87
8.0.250.0030.00316.86
8.0.240.0050.00316.86
8.0.230.0000.00716.90
8.0.220.0000.00716.72
8.0.210.0050.00316.71
8.0.200.0030.00316.87
8.0.190.0050.00216.86
8.0.180.0000.00716.82
8.0.170.0000.00716.79
8.0.160.0040.00416.76
8.0.150.0030.00316.68
8.0.140.0000.00716.76
8.0.130.0030.00313.24
8.0.120.0000.00716.77
8.0.110.0050.00216.81
8.0.100.0040.00416.70
8.0.90.0040.00416.82
8.0.80.0050.01116.81
8.0.70.0000.00716.77
8.0.60.0000.00816.79
8.0.50.0000.00716.79
8.0.30.0090.00917.03
8.0.20.0140.01017.40
8.0.10.0070.00016.84
8.0.00.0120.00816.64
7.4.330.0050.00015.00
7.4.320.0030.00316.42
7.4.300.0060.00016.52
7.4.290.0070.00016.41
7.4.280.0030.00316.56
7.4.270.0030.00316.55
7.4.260.0060.00013.14
7.4.250.0040.00416.50
7.4.240.0020.00516.50
7.4.230.0030.00316.44
7.4.220.0180.00316.55
7.4.210.0050.01016.51
7.4.200.0070.00016.34
7.4.190.0050.00316.24
7.4.160.0060.01016.45
7.4.150.0060.01217.40
7.4.140.0130.00517.86
7.4.130.0070.00916.43
7.4.120.0110.00916.47
7.4.110.0150.00316.42
7.4.100.0120.00916.31
7.4.90.0110.00716.29
7.4.80.0030.01619.39
7.4.70.0140.00316.39
7.4.60.0040.01216.40
7.4.50.0060.00316.39
7.4.40.0080.00522.77
7.4.30.0130.00716.52
7.4.00.0090.00714.66
7.3.330.0030.00313.05
7.3.320.0000.00512.88
7.3.310.0070.00015.98
7.3.300.0070.00016.04
7.3.290.0080.00516.24
7.3.280.0040.01116.14
7.3.270.0110.00617.40
7.3.260.0110.00616.23
7.3.250.0080.01016.31
7.3.240.0150.00616.47
7.3.230.0100.00616.39
7.3.210.0070.01016.17
7.3.200.0030.01619.39
7.3.190.0090.00616.59
7.3.180.0120.00616.38
7.3.170.0080.00816.34
7.3.160.0180.00416.38
7.3.120.0050.01314.68
7.3.110.0070.01314.83
7.3.100.0030.01614.55
7.3.90.0130.00014.76
7.3.80.0070.00314.55
7.3.70.0030.00914.36
7.3.60.0150.00014.66
7.3.50.0040.01114.65
7.3.40.0040.00714.86
7.3.30.0040.00714.77
7.3.20.0060.00616.35
7.3.10.0060.00516.74
7.3.00.0060.00916.69
7.2.330.0080.00816.51
7.2.320.0030.01516.61
7.2.310.0120.00416.51
7.2.300.0080.00816.43
7.2.290.0130.01016.39
7.2.250.0060.01314.83
7.2.240.0030.01414.93
7.2.230.0040.01115.03
7.2.220.0100.00715.12
7.2.210.0030.00915.09
7.2.200.0030.01015.09
7.2.190.0030.01315.11
7.2.180.0130.00314.86
7.2.170.0070.00314.83
7.2.160.0090.00015.03
7.2.150.0040.00816.73
7.2.140.0070.00716.82
7.2.130.0080.01016.73
7.2.120.0060.00616.78
7.2.110.0090.00416.88
7.2.100.0070.00416.87
7.2.90.0020.01216.79
7.2.80.0070.00516.77
7.2.70.0090.00516.71
7.2.60.0060.00816.72
7.2.50.0050.00916.82
7.2.40.0020.01116.60
7.2.30.0040.01016.84
7.2.20.0040.01216.83
7.2.10.0030.00916.81
7.2.00.0040.01017.62
7.1.330.0160.00315.91
7.1.320.0070.00715.89
7.1.310.0030.00615.61
7.1.300.0060.00315.77
7.1.290.0030.01015.71
7.1.280.0090.00315.54
7.1.270.0030.01015.49
7.1.260.0030.00915.45
7.1.250.0080.00215.72
7.1.240.0000.00815.46
7.1.230.0030.01215.57
7.1.220.0030.00715.56
7.1.210.0060.00615.56
7.1.200.0080.00015.65
7.1.190.0080.00015.73
7.1.180.0030.00615.56
7.1.170.0080.00015.70
7.1.160.0090.00615.79
7.1.150.0030.01015.38
7.1.140.0060.00315.82
7.1.130.0000.01215.73
7.1.120.0040.01415.48
7.1.110.0050.00315.77
7.1.100.0030.00816.86
7.1.90.0040.00715.59
7.1.80.0060.00315.66
7.1.70.0050.00516.45
7.1.60.0080.00917.48
7.1.50.0090.00916.12
7.1.40.0060.00315.65
7.1.30.0070.00715.73
7.1.20.0060.00615.70
7.1.10.0030.00815.45
7.1.00.0040.02019.05
7.0.330.0040.01115.02
7.0.320.0030.00915.09
7.0.310.0000.01215.37
7.0.300.0000.00815.43
7.0.290.0090.00615.26
7.0.280.0040.00815.45
7.0.270.0090.00615.32
7.0.260.0040.01215.13
7.0.250.0060.00615.37
7.0.240.0090.00315.36
7.0.230.0070.00715.43
7.0.220.0030.01015.39
7.0.210.0000.01215.09
7.0.200.0090.01114.81
7.0.190.0030.00715.36
7.0.180.0030.00615.38
7.0.170.0030.00815.35
7.0.160.0060.00915.26
7.0.150.0120.00015.27
7.0.140.0050.04018.63
7.0.130.0040.01115.43
7.0.120.0000.01215.07
7.0.110.0060.00315.50
7.0.100.0030.00815.48
7.0.90.0130.04317.58
7.0.80.0070.03517.56
7.0.70.0290.02917.52
7.0.60.0230.02717.57
7.0.50.0190.02417.85
7.0.40.0090.04316.76
7.0.30.0060.05016.69
7.0.20.0070.02916.75
7.0.10.0020.05116.71
7.0.00.0030.02716.58
5.6.400.0030.01414.66
5.6.390.0090.00314.53
5.6.380.0040.00814.61
5.6.370.0070.00714.20
5.6.360.0080.00314.08
5.6.350.0030.00614.16
5.6.340.0070.00714.23
5.6.330.0030.01314.18
5.6.320.0060.00614.23
5.6.310.0030.01314.18
5.6.300.0070.00714.13
5.6.290.0070.00414.23
5.6.280.0020.04317.75
5.6.270.0040.01114.37
5.6.260.0030.00614.04
5.6.250.0040.00814.27
5.6.240.0030.00914.59
5.6.230.0100.03517.48
5.6.220.0010.03317.48
5.6.210.0050.03017.42
5.6.200.0140.03817.52
5.6.190.0050.03017.73
5.6.180.0100.04117.64
5.6.170.0120.03617.71
5.6.160.0100.04017.46
5.6.150.0080.04417.58
5.6.140.0080.02317.59
5.6.130.0070.04217.65
5.6.120.0050.03117.73
5.6.110.0090.02817.62
5.6.100.0070.04517.79
5.6.90.0020.03317.55
5.6.80.0100.03817.28
5.6.70.0100.04317.19
5.6.60.0090.04017.20
5.6.50.0020.03217.17
5.6.40.0050.04117.25
5.6.30.0070.04317.33
5.6.20.0050.04017.35
5.6.10.0070.03817.25
5.6.00.0100.03517.21
5.5.380.0000.00914.14
5.5.370.0090.04117.23
5.5.360.0080.04117.40
5.5.350.0040.02517.30
5.5.340.0050.04717.69
5.5.330.0020.04417.48
5.5.320.0030.04217.43
5.5.310.0050.04717.48
5.5.300.0050.02717.45
5.5.290.0050.03417.53
5.5.280.0050.04817.53
5.5.270.0060.02117.58
5.5.260.0040.03017.40
5.5.250.0100.03617.44
5.5.240.0070.03217.25
5.5.230.0070.04517.21
5.5.220.0100.04117.16
5.5.210.0070.02717.07
5.5.200.0070.03817.16
5.5.190.0000.04817.13
5.5.180.0020.02817.12
5.5.170.0060.00614.35
5.5.160.0030.02917.12
5.5.150.0070.04217.26
5.5.140.0080.02017.24
5.5.130.0000.04717.03
5.5.120.0060.03317.18
5.5.110.0050.03717.17
5.5.100.0090.03717.22
5.5.90.0110.03617.13
5.5.80.0070.02517.12
5.5.70.0020.02617.14
5.5.60.0080.02016.97
5.5.50.0070.02017.04
5.5.40.0060.02516.92
5.5.30.0050.02517.10
5.5.20.0050.02217.00
5.5.10.0020.03216.93
5.5.00.0100.01816.90
5.4.450.0020.04515.75
5.4.440.0080.04115.70
5.4.430.0050.03815.65
5.4.420.0070.03815.81
5.4.410.0070.04115.59
5.4.400.0030.02215.45
5.4.390.0050.03315.58
5.4.380.0050.04515.64
5.4.370.0030.02515.57
5.4.360.0070.04015.55
5.4.350.0070.03715.52
5.4.340.0020.02515.59
5.4.330.0070.00312.08
5.4.320.0070.03015.61
5.4.310.0100.03815.57
5.4.300.0070.03315.51
5.4.290.0050.03315.60
5.4.280.0030.04215.43
5.4.270.0050.04215.55
5.4.260.0040.03915.43
5.4.250.0020.04515.56
5.4.240.0070.02215.57
5.4.230.0030.02815.56
5.4.220.0050.02415.44
5.4.210.0070.02015.51
5.4.200.0070.02015.57
5.4.190.0050.02315.60
5.4.180.0020.03215.48
5.4.170.0060.03015.60
5.4.160.0020.03115.42
5.4.150.0060.02215.44
5.4.140.0050.02014.20
5.4.130.0020.03414.07
5.4.120.0030.02114.18
5.4.110.0040.02014.25
5.4.100.0050.02014.14
5.4.90.0030.02014.26
5.4.80.0030.02014.21
5.4.70.0050.01814.23
5.4.60.0000.02414.20
5.4.50.0030.01814.13
5.4.40.0090.01714.27
5.4.30.0010.02314.23
5.4.20.0040.02114.13
5.4.10.0020.02414.20
5.4.00.0000.03813.80
5.3.290.0100.03513.29
5.3.280.0020.02813.33
5.3.270.0040.02113.33
5.3.260.0030.02313.35
5.3.250.0080.01513.35
5.3.240.0070.03313.32
5.3.230.0060.02313.29
5.3.220.0050.01913.30
5.3.210.0020.02213.24
5.3.200.0030.02113.25
5.3.190.0070.01713.24
5.3.180.0020.01913.23
5.3.170.0020.02413.29
5.3.160.0070.01713.25
5.3.150.0030.02613.32
5.3.140.0050.02013.29
5.3.130.0030.03013.29
5.3.120.0030.02213.23
5.3.110.0040.01913.32
5.3.100.0030.02213.04
5.3.90.0030.01713.02
5.3.80.0050.02013.04
5.3.70.0050.01513.04
5.3.60.0070.01813.01
5.3.50.0070.01812.99
5.3.40.0050.02113.02
5.3.30.0070.01712.99
5.3.20.0030.01812.77
5.3.10.0020.02712.86
5.3.00.0060.01712.84
5.2.170.0000.03010.93
5.2.160.0000.03011.09
5.2.150.0030.03011.21
5.2.140.0000.03011.19
5.2.130.0030.02311.09
5.2.120.0030.03011.08
5.2.110.0000.03011.12
5.2.100.0000.03011.09
5.2.90.0000.03011.09
5.2.80.0000.02711.08
5.2.70.0000.03011.02
5.2.60.0030.07010.99
5.2.50.0030.03011.01
5.2.40.0030.02710.80
5.2.30.0030.02310.80
5.2.20.0030.02710.80
5.2.10.0030.03010.88
5.2.00.0070.02310.76
5.1.60.0000.02710.76
5.1.50.0030.03710.76
5.1.40.0000.03310.76
5.1.30.0030.03310.76
5.1.20.0030.04710.76
5.1.10.0030.05710.76
5.1.00.0030.05710.76
5.0.50.0070.03710.76
5.0.40.0030.04310.76
5.0.30.0130.05310.76
5.0.20.0100.03710.76
5.0.10.0070.03010.76
5.0.00.0100.06010.76
4.4.90.0000.01710.76
4.4.80.0070.01010.76
4.4.70.0000.02010.76
4.4.60.0000.02010.76
4.4.50.0030.01310.76
4.4.40.0000.02710.76
4.4.30.0000.03710.76
4.4.20.0070.02010.76
4.4.10.0070.03010.76
4.4.00.0000.05710.76
4.3.110.0000.03310.76
4.3.100.0030.02710.76
4.3.90.0000.03710.76
4.3.80.0000.03010.76
4.3.70.0000.03710.76
4.3.60.0000.03310.76
4.3.50.0070.03010.76
4.3.40.0100.04310.76
4.3.30.0030.02310.76
4.3.20.0000.03710.76
4.3.10.0000.03310.76
4.3.00.0000.03310.76

preferences:
40.1 ms | 400 KiB | 5 Q