3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = json_encode('{"some":"json here"}'); print_r($test); print_r(json_decode($test)); echo ' '; $tes2t = json_decode('{"some":"json here}'); print_r($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)
8.3.60.0160.00316.63
8.3.50.0100.00921.92
8.3.40.0100.00318.48
8.3.30.0080.00618.86
8.3.20.0040.00420.21
8.3.10.0000.00821.95
8.3.00.0090.00019.14
8.2.180.0040.01516.38
8.2.170.0140.00322.96
8.2.160.0100.00320.39
8.2.150.0060.00324.18
8.2.140.0160.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.36
8.2.110.0060.00322.24
8.2.100.0080.00418.22
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0070.00417.91
8.2.50.0090.00018.07
8.2.40.0080.00019.88
8.2.30.0070.00018.28
8.2.20.0000.00717.54
8.2.10.0050.00217.97
8.2.00.0060.00319.50
8.1.280.0000.01425.92
8.1.270.0040.00423.79
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.91
8.1.230.0120.00018.97
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0030.00517.13
8.1.180.0000.00818.10
8.1.170.0100.00018.51
8.1.160.0040.00421.99
8.1.150.0000.00718.60
8.1.140.0040.00417.39
8.1.130.0030.00317.77
8.1.120.0030.00317.34
8.1.110.0030.00617.38
8.1.100.0000.00717.40
8.1.90.0070.00017.39
8.1.80.0040.00417.27
8.1.70.0030.00317.27
8.1.60.0040.00417.50
8.1.50.0040.00417.35
8.1.40.0040.00417.48
8.1.30.0000.00817.46
8.1.20.0040.00417.64
8.1.10.0040.00417.52
8.1.00.0030.00517.43
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.39
8.0.270.0030.00317.35
8.0.260.0060.00017.12
8.0.250.0000.00716.82
8.0.240.0030.00316.75
8.0.230.0070.00016.79
8.0.220.0030.00316.69
8.0.210.0040.00416.72
8.0.200.0000.00616.94
8.0.190.0000.00716.85
8.0.180.0040.00416.73
8.0.170.0040.00416.82
8.0.160.0000.00816.74
8.0.150.0000.01016.82
8.0.140.0110.00416.72
8.0.130.0030.00613.27
8.0.120.0000.00716.76
8.0.110.0040.00416.82
8.0.100.0000.00816.61
8.0.90.0000.00716.78
8.0.80.0060.01016.77
8.0.70.0040.00416.66
8.0.60.0000.00716.86
8.0.50.0000.00816.70
8.0.30.0140.00817.23
8.0.20.0070.01217.40
8.0.10.0000.00716.97
8.0.00.0150.00416.88
7.4.330.0000.00515.03
7.4.320.0060.00016.51
7.4.300.0050.00216.55
7.4.290.0000.00716.55
7.4.280.0000.00816.47
7.4.270.0040.00316.37
7.4.260.0040.00416.41
7.4.250.0070.00016.50
7.4.240.0030.00316.44
7.4.230.0070.00016.61
7.4.220.0100.00716.55
7.4.210.0140.00016.64
7.4.200.0000.00716.29
7.4.160.0220.00216.54
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0120.00516.49
7.4.120.0090.00816.34
7.4.110.0070.01016.51
7.4.100.0060.01116.35
7.4.90.0090.00716.40
7.4.80.0090.01719.39
7.4.70.0130.00616.43
7.4.60.0060.01016.48
7.4.50.0050.00016.58
7.4.40.0100.01016.16
7.4.30.0130.00316.47
7.4.00.0030.01214.85
7.3.330.0000.00613.02
7.3.320.0030.00312.85
7.3.310.0000.00716.01
7.3.300.0000.00615.99
7.3.290.0030.01016.08
7.3.280.0060.01116.13
7.3.270.0050.01417.40
7.3.260.0140.00316.22
7.3.250.0110.01016.39
7.3.240.0100.00716.20
7.3.230.0040.01216.39
7.3.210.0100.00716.32
7.3.200.0030.01319.39
7.3.190.0110.01116.31
7.3.180.0060.01116.31
7.3.170.0160.00016.43
7.3.160.0040.01516.37
7.3.120.0000.01414.66
7.2.330.0060.01016.50
7.2.320.0070.01516.69
7.2.310.0160.00616.57
7.2.300.0100.01316.54
7.2.290.0130.00316.62
7.1.100.0050.00518.17
7.1.70.0040.00417.00
7.1.60.0040.02119.70
7.1.50.0090.01516.89
7.1.00.0030.07322.54
7.0.200.0000.00716.89
7.0.140.0100.06321.95
7.0.90.0500.08319.82
7.0.80.0500.08020.08
7.0.70.0470.04719.84
7.0.60.0630.07319.84
7.0.50.0230.06720.31
7.0.40.0030.05020.00
7.0.30.0070.05720.18
7.0.20.0100.07320.07
7.0.10.0030.04320.06
7.0.00.0100.08020.09
5.6.280.0070.07020.98
5.6.230.0030.06720.54
5.6.220.0100.07720.55
5.6.210.0100.07720.71
5.6.200.0070.08721.10
5.6.190.0030.05321.07
5.6.180.0100.07720.93
5.6.170.0070.07721.13
5.6.160.0200.07021.01
5.6.150.0030.06320.92
5.6.140.0100.08021.02
5.6.130.0100.07721.06
5.6.120.0130.08021.09
5.6.110.0100.06320.92
5.6.100.0070.08021.03
5.6.90.0070.08321.14
5.6.80.0130.06320.39
5.6.70.0070.07320.41
5.6.60.0030.07020.41
5.6.50.0070.04020.40
5.6.40.0100.05020.48
5.6.30.0030.04320.45
5.6.20.0170.07020.41
5.6.10.0100.04720.38
5.6.00.0000.08720.29
5.5.370.0170.06720.31
5.5.360.0070.08320.34
5.5.350.0170.07720.40
5.5.340.0070.07320.75
5.5.330.0070.08020.64
5.5.320.0100.06720.89
5.5.310.0100.07320.73
5.5.300.0000.08320.81
5.5.290.0100.08320.84
5.5.280.0000.08320.86
5.5.270.0070.08020.84
5.5.260.0070.08320.81
5.5.250.0000.07320.68
5.5.240.0070.08020.20
5.5.230.0030.05720.11
5.5.220.0100.06720.15
5.5.210.0000.05020.15
5.5.200.0100.06720.05
5.5.190.0030.07020.24
5.5.180.0000.08720.10
5.5.160.0070.07720.08
5.5.150.0070.07320.14
5.5.140.0130.06720.22
5.5.130.0030.06020.09
5.5.120.0030.08320.21
5.5.110.0000.08720.20
5.5.100.0070.08320.15
5.5.90.0030.07719.95
5.5.80.0030.08320.06
5.5.70.0130.06720.07
5.5.60.0170.07020.05
5.5.50.0070.07720.08
5.5.40.0100.06020.08
5.5.30.0070.04720.12
5.5.20.0100.07719.91
5.5.10.0130.06320.12
5.5.00.0070.08320.04
5.4.450.0170.05319.39
5.4.440.0030.08019.13
5.4.430.0100.07019.22
5.4.420.0130.07019.38
5.4.410.0100.03719.00
5.4.400.0100.07319.10
5.4.390.0170.06319.11
5.4.380.0070.07718.98
5.4.370.0130.06719.20
5.4.360.0070.07719.06
5.4.350.0130.05319.16
5.4.340.0100.07718.87
5.4.320.0000.06718.90
5.4.310.0230.04719.06
5.4.300.0030.08019.02
5.4.290.0100.06719.02
5.4.280.0200.06718.95
5.4.270.0070.07018.90
5.4.260.0030.07718.90
5.4.250.0030.07718.93
5.4.240.0170.06718.78
5.4.230.0100.07319.05
5.4.220.0000.08018.80
5.4.210.0000.04318.92
5.4.200.0100.04018.78
5.4.190.0030.04019.09
5.4.180.0070.07719.08
5.4.170.0070.07319.10
5.4.160.0130.07318.88
5.4.150.0000.08319.06
5.4.140.0070.04316.28
5.4.130.0070.07716.28
5.4.120.0100.07016.22
5.4.110.0030.07716.41
5.4.100.0000.05316.33
5.4.90.0100.07016.44
5.4.80.0100.07016.32
5.4.70.0070.07316.29
5.4.60.0070.05716.29
5.4.50.0070.07316.20
5.4.40.0030.05016.24
5.4.30.0030.06316.18
5.4.20.0130.04016.36
5.4.10.0100.06716.28
5.4.00.0200.05315.74
5.3.290.0000.08014.65
5.3.280.0070.05314.41
5.3.270.0030.08314.46
5.3.260.0170.07314.42
5.3.250.0100.05014.44
5.3.240.0070.07314.46
5.3.230.0070.07314.60
5.3.220.0100.05714.54
5.3.210.0100.07014.43
5.3.200.0030.08314.50
5.3.190.0070.07014.42
5.3.180.0170.06714.52
5.3.170.0070.07014.38
5.3.160.0070.07014.51
5.3.150.0070.06714.55
5.3.140.0100.07314.49
5.3.130.0030.04714.38
5.3.120.0030.06014.53
5.3.110.0100.06014.55
5.3.100.0000.06714.00
5.3.90.0030.04014.02
5.3.80.0100.03013.77
5.3.70.0030.07013.79
5.3.60.0070.06713.86
5.3.50.0030.07013.89
5.3.40.0130.06713.93
5.3.30.0030.05713.88
5.3.20.0130.06713.55
5.3.10.0070.07013.61
5.3.00.0130.07013.41
5.2.170.0100.05711.09
5.2.160.0070.06011.18
5.2.150.0070.05711.14
5.2.140.0070.05311.13
5.2.130.0100.05311.04
5.2.120.0030.03710.91
5.2.110.0100.06710.96
5.2.100.0130.05311.09
5.2.90.0000.06311.15
5.2.80.0000.04311.11
5.2.70.0070.06011.09
5.2.60.0070.04310.87
5.2.50.0000.06310.94
5.2.40.0130.04710.84
5.2.30.0100.03010.82
5.2.20.0100.05011.03
5.2.10.0100.05010.77
5.2.00.0100.05710.75
5.1.60.0070.04010.07
5.1.50.0100.05010.00
5.1.40.0100.04710.00
5.1.30.0030.04010.28
5.1.20.0030.05710.27
5.1.10.0130.05310.14
5.1.00.0030.02310.05
5.0.50.0030.0538.55
5.0.40.0000.0478.42
5.0.30.0100.0578.23
5.0.20.0030.0438.30
5.0.10.0070.0308.24
5.0.00.0030.0678.04
4.4.90.0000.0337.47
4.4.80.0030.0337.47
4.4.70.0070.0337.47
4.4.60.0000.0377.47
4.4.50.0000.0377.47
4.4.40.0030.0377.47
4.4.30.0170.0207.47
4.4.20.0030.0277.47
4.4.10.0000.0337.47
4.4.00.0030.0537.47
4.3.110.0070.0177.47
4.3.100.0070.0307.47
4.3.90.0030.0337.47
4.3.80.0000.0437.47
4.3.70.0000.0277.47
4.3.60.0070.0307.47
4.3.50.0000.0277.47
4.3.40.0000.0537.47
4.3.30.0030.0337.47
4.3.20.0070.0237.47
4.3.10.0000.0377.47
4.3.00.0000.0377.47

preferences:
57.64 ms | 400 KiB | 5 Q