3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach (array('JSON_PRETTY_PRINT', 'JSON_UNESCAPED_SLASHES', 'JSON_UNESCAPED_UNICODE') as $const) { echo 'define(\'', $const, '\', ', constant($const), ");\n"; }

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)
8.3.60.0110.00418.43
8.3.50.0160.00521.97
8.3.40.0040.01118.63
8.3.30.0100.00318.92
8.3.20.0040.00420.25
8.3.10.0030.00523.52
8.3.00.0120.00622.43
8.2.180.0150.00316.50
8.2.170.0130.00722.96
8.2.160.0070.01022.17
8.2.150.0070.00724.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0030.00617.50
8.2.110.0100.00021.00
8.2.100.0060.00617.78
8.2.90.0000.00719.53
8.2.80.0030.00617.97
8.2.70.0030.00517.38
8.2.60.0040.00417.91
8.2.50.0060.00318.07
8.2.40.0000.01118.04
8.2.30.0000.00718.04
8.2.20.0040.00417.68
8.2.10.0040.00417.65
8.2.00.0040.00417.52
8.1.280.0060.01225.92
8.1.270.0030.00622.19
8.1.260.0110.00426.35
8.1.250.0000.00828.09
8.1.240.0070.01122.52
8.1.230.0040.00720.98
8.1.220.0000.00817.74
8.1.210.0000.00818.92
8.1.200.0000.00817.13
8.1.190.0040.00417.23
8.1.180.0090.00018.10
8.1.170.0000.00718.71
8.1.160.0000.00718.74
8.1.150.0000.00718.52
8.1.140.0100.00017.20
8.1.130.0050.00317.76
8.1.120.0000.00717.37
8.1.110.0000.01017.21
8.1.100.0040.00317.31
8.1.90.0070.00017.30
8.1.80.0000.00717.28
8.1.70.0000.00817.25
8.1.60.0080.00017.32
8.1.50.0040.00417.37
8.1.40.0050.00317.39
8.1.30.0040.00417.46
8.1.20.0040.00417.39
8.1.10.0040.00417.40
8.1.00.0040.00417.37
8.0.300.0000.00720.02
8.0.290.0040.00416.63
8.0.280.0000.00818.43
8.0.270.0000.00717.17
8.0.260.0030.00316.75
8.0.250.0000.00816.82
8.0.240.0050.00316.92
8.0.230.0030.00316.88
8.0.220.0070.00016.82
8.0.210.0000.00716.80
8.0.200.0030.00316.84
8.0.190.0070.00016.76
8.0.180.0040.00416.86
8.0.170.0080.00016.67
8.0.160.0000.00716.71
8.0.150.0000.00916.89
8.0.140.0000.00716.77
8.0.130.0050.00013.31
8.0.120.0040.00416.66
8.0.110.0000.00716.77
8.0.100.0030.00616.70
8.0.90.0000.00716.82
8.0.80.0040.01116.81
8.0.70.0050.00316.82
8.0.60.0020.00516.78
8.0.50.0000.00716.70
8.0.30.0080.01516.96
8.0.20.0140.00517.40
8.0.10.0040.00416.89
8.0.00.0050.01416.56
7.4.330.0050.00015.00
7.4.320.0030.00316.47
7.4.300.0030.00316.35
7.4.290.0030.00316.47
7.4.280.0030.00316.49
7.4.270.0070.00016.50
7.4.260.0030.00316.45
7.4.250.0050.00316.43
7.4.240.0050.00316.44
7.4.230.0070.00016.27
7.4.220.0070.01116.43
7.4.210.0100.00716.44
7.4.200.0000.00716.21
7.4.190.0030.00316.27
7.4.160.0130.00516.38
7.4.150.0060.01317.40
7.4.140.0080.00917.86
7.4.130.0050.01316.33
7.4.120.0130.00916.42
7.4.110.0140.00516.47
7.4.100.0050.01416.29
7.4.90.0150.00416.32
7.4.80.0130.00316.49
7.4.70.0060.01616.57
7.4.60.0160.00016.32
7.4.50.0030.00616.27
7.4.40.0040.01122.77
7.4.30.0120.00616.50
7.4.00.0000.01314.72
7.3.330.0030.00313.02
7.3.320.0000.00513.05
7.3.310.0040.00416.22
7.3.300.0030.00316.14
7.3.290.0090.00516.23
7.3.280.0060.01116.24
7.3.270.0080.00817.40
7.3.260.0160.00016.41
7.3.250.0130.00816.49
7.3.240.0170.00316.52
7.3.230.0070.01016.62
7.3.210.0100.01716.47
7.3.200.0090.00919.39
7.3.190.0100.01016.55
7.3.180.0060.01116.57
7.3.170.0090.00616.48
7.3.160.0100.00616.51
7.3.120.0070.00414.81
7.2.330.0070.01016.62
7.2.320.0030.01316.66
7.2.310.0140.00316.61
7.2.300.0160.00016.52
7.2.290.0070.01016.57
7.2.60.0070.01016.66
7.2.00.0030.01719.48
7.1.200.0060.00615.83
7.1.100.0030.00618.22
7.1.70.0040.01116.84
7.1.60.0040.02119.32
7.1.50.0100.00316.64
7.1.00.0070.07322.43
7.0.200.0030.00716.94
7.0.140.0000.07321.93
7.0.70.0030.06321.80
7.0.60.0100.07021.77
7.0.50.0030.06022.16
7.0.40.0000.08720.10
7.0.30.0000.09320.07
7.0.20.0100.07020.19
7.0.10.0070.08020.00
7.0.00.0100.04320.04
5.6.280.0100.08721.11
5.6.220.0070.08020.67
5.6.210.0030.06720.56
5.6.200.0100.03721.09
5.6.190.0130.07721.03
5.6.180.0070.08021.08
5.6.170.0130.07321.11
5.6.160.0000.08721.02
5.6.150.0070.05021.07
5.6.140.0030.06721.07
5.6.130.0030.05021.17
5.6.120.0070.04320.95
5.6.110.0070.08321.03
5.6.100.0030.07020.91
5.6.90.0130.07321.14
5.6.80.0030.08320.46
5.6.70.0100.04720.48
5.6.60.0070.06320.45
5.6.50.0070.06020.51
5.6.40.0200.06720.32
5.6.30.0130.07320.38
5.6.20.0000.08720.38
5.6.10.0030.04720.46
5.6.00.0000.08020.45
5.5.360.0070.06020.33
5.5.350.0030.07020.40
5.5.340.0030.05320.77
5.5.330.0070.08720.91
5.5.320.0070.07720.87
5.5.310.0030.08320.86
5.5.300.0070.07720.79
5.5.290.0070.04320.78
5.5.280.0070.08320.86
5.5.270.0030.08020.88
5.5.260.0070.04720.78
5.5.250.0100.06020.54
5.5.240.0000.06020.20
5.5.230.0130.07720.26
5.5.220.0130.07020.13
5.5.210.0070.07320.27
5.5.200.0000.05720.24
5.5.190.0070.06320.25
5.5.180.0170.07020.10
5.5.160.0100.05720.15
5.5.150.0170.06020.25
5.5.140.0070.04720.14
5.5.130.0130.07320.23
5.5.120.0000.08020.20
5.5.110.0070.08320.23
5.5.100.0070.06720.05
5.5.90.0000.06720.12
5.5.80.0030.08320.06
5.5.70.0030.09020.15
5.5.60.0100.07720.05
5.5.50.0070.08020.05
5.5.40.0030.08020.14
5.5.30.0100.04720.10
5.5.20.0070.07720.10
5.5.10.0130.06320.11
5.5.00.0000.04319.99
5.4.450.0130.07319.41
5.4.440.0100.04019.23
5.4.430.0100.07019.55
5.4.420.0070.05019.42
5.4.410.0030.07019.27
5.4.400.0100.07019.21
5.4.390.0000.09019.13
5.4.380.0170.06718.96
5.4.370.0070.07719.15
5.4.360.0100.06319.05
5.4.350.0000.08019.06
5.4.340.0100.05319.14
5.4.320.0000.08718.94
5.4.310.0030.08319.06
5.4.300.0130.07019.09
5.4.290.0030.07718.89
5.4.280.0070.07018.96
5.4.270.0070.05318.95
5.4.260.0070.06019.02
5.4.250.0030.07719.04
5.4.240.0070.04719.04
5.4.230.0130.07019.22
5.4.220.0070.07719.07
5.4.210.0100.07719.07
5.4.200.0030.07718.96
5.4.190.0030.05018.80
5.4.180.0030.07319.09
5.4.170.0030.04018.95
5.4.160.0130.08319.14
5.4.150.0070.06019.05
5.4.140.0030.08016.27
5.4.130.0130.06716.37
5.4.120.0070.07316.37
5.4.110.0100.07316.40
5.4.100.0070.07016.21
5.4.90.0000.05316.48
5.4.80.0030.07016.36
5.4.70.0030.07316.43
5.4.60.0100.08316.19
5.4.50.0100.05016.35
5.4.40.0030.08016.21
5.4.30.0070.05016.33
5.4.20.0030.07316.41
5.4.10.0070.08016.41
5.4.00.0070.06715.71
5.3.290.0130.07314.52
5.3.280.0030.07714.55
5.3.270.0030.05014.56
5.3.260.0070.03714.60
5.3.250.0070.07314.44
5.3.240.0100.07014.46
5.3.230.0130.07714.50
5.3.220.0070.05014.44
5.3.210.0130.07014.50
5.3.200.0070.05314.44
5.3.190.0170.06314.52
5.3.180.0000.07714.44
5.3.170.0070.06714.44
5.3.160.0100.07714.44
5.3.150.0070.05714.44
5.3.140.0100.07014.50
5.3.130.0000.04314.44
5.3.120.0000.04714.54
5.3.110.0070.07014.44
5.3.100.0100.07014.44
5.3.90.0070.06314.44
5.3.80.0100.06714.44
5.3.70.0000.07314.44
5.3.60.0030.07314.44
5.3.50.0130.06714.44
5.3.40.0030.08014.44
5.3.30.0130.05314.44
5.3.20.0070.06714.44
5.3.10.0030.07014.44
5.3.00.0030.07014.44
5.2.170.0070.06314.44
5.2.160.0070.06014.44
5.2.150.0070.06314.44
5.2.140.0100.06014.44
5.2.130.0070.06014.44
5.2.120.0070.05714.44
5.2.110.0030.04714.44
5.2.100.0000.05714.44
5.2.90.0030.06014.44
5.2.80.0070.06314.44
5.2.70.0030.06314.44
5.2.60.0030.06714.44
5.2.50.0070.05314.44
5.2.40.0070.03014.44
5.2.30.0030.05314.44
5.2.20.0030.04314.44
5.2.10.0000.06314.44
5.2.00.0030.06314.44
5.1.60.0000.05314.44
5.1.50.0000.05714.44
5.1.40.0000.05314.44
5.1.30.0070.05714.44
5.1.20.0030.05714.44
5.1.10.0070.05314.44
5.1.00.0070.05014.44
5.0.50.0070.04014.44
5.0.40.0030.04014.44
5.0.30.0000.07014.44
5.0.20.0030.03314.44
5.0.10.0000.04714.44
5.0.00.0070.05014.44
4.4.90.0000.03714.44
4.4.80.0030.02014.44
4.4.70.0000.03714.44
4.4.60.0030.03314.44
4.4.50.0100.02714.44
4.4.40.0000.06014.44
4.4.30.0000.04014.44
4.4.20.0000.04014.44
4.4.10.0030.03314.44
4.4.00.0000.04714.44
4.3.110.0000.03714.44
4.3.100.0030.03314.44
4.3.90.0100.02714.44
4.3.80.0000.03714.44
4.3.70.0000.03314.44
4.3.60.0030.02014.44
4.3.50.0030.03314.44
4.3.40.0030.05014.44
4.3.30.0000.03714.44
4.3.20.0030.03714.44
4.3.10.0000.03314.44
4.3.00.0000.03714.44

preferences:
34.15 ms | 401 KiB | 5 Q