3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'blah "baz"'; var_dump(json_encode(array($str)));

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)
8.3.40.0130.00318.77
8.3.30.0120.00618.88
8.3.20.0090.00920.11
8.3.10.0070.01123.66
8.3.00.0040.01519.16
8.2.170.0100.00322.96
8.2.160.0100.01020.52
8.2.150.0040.00424.18
8.2.140.0070.01024.66
8.2.130.0130.00626.16
8.2.120.0040.00420.75
8.2.110.0070.00322.19
8.2.100.0110.00019.34
8.2.90.0050.00219.05
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0080.00018.05
8.2.50.0030.00618.07
8.2.40.0040.00419.99
8.2.30.0050.00318.17
8.2.20.0050.00317.71
8.2.10.0020.00518.14
8.2.00.0000.00717.68
8.1.270.0140.00422.14
8.1.260.0190.00026.35
8.1.250.0070.01028.09
8.1.240.0060.00323.91
8.1.230.0040.00719.01
8.1.220.0000.01017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0000.00917.13
8.1.180.0000.00818.10
8.1.170.0030.00518.46
8.1.160.0000.00721.97
8.1.150.0070.00018.64
8.1.140.0080.00017.45
8.1.130.0000.00817.72
8.1.120.0000.00717.42
8.1.110.0000.00717.33
8.1.100.0040.00417.31
8.1.90.0050.00317.49
8.1.80.0040.00417.46
8.1.70.0000.00717.42
8.1.60.0030.00617.54
8.1.50.0000.00717.53
8.1.40.0050.00217.51
8.1.30.0060.00317.50
8.1.20.0000.00717.68
8.1.10.0040.00417.55
8.1.00.0000.00717.45
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0000.00718.44
8.0.270.0030.00517.25
8.0.260.0030.00317.27
8.0.250.0030.00316.86
8.0.240.0030.00616.84
8.0.230.0000.00717.01
8.0.220.0000.00716.90
8.0.210.0000.00716.91
8.0.200.0030.00316.95
8.0.190.0040.00716.95
8.0.180.0000.00716.95
8.0.170.0000.00716.79
8.0.160.0030.00316.89
8.0.150.0070.00016.85
8.0.140.0030.00316.83
8.0.130.0000.00513.29
8.0.120.0040.00416.81
8.0.110.0050.00316.79
8.0.100.0040.00416.78
8.0.90.0050.00316.86
8.0.80.0030.01916.90
8.0.70.0000.00716.88
8.0.60.0040.00416.95
8.0.50.0040.00416.77
8.0.30.0140.00617.25
8.0.20.0110.00817.40
8.0.10.0040.00417.05
8.0.00.0050.01216.58
7.4.330.0020.00215.00
7.4.320.0030.00316.49
7.4.300.0060.00016.49
7.4.290.0000.00716.57
7.4.280.0000.00816.44
7.4.270.0030.00316.63
7.4.260.0000.00716.50
7.4.250.0000.00716.42
7.4.240.0050.00216.57
7.4.230.0030.00316.40
7.4.220.0070.01016.44
7.4.210.0140.00316.59
7.4.200.0070.00016.34
7.4.160.0030.01316.49
7.4.150.0070.01117.40
7.4.140.0110.00817.86
7.4.130.0170.00216.45
7.4.120.0070.01216.51
7.4.110.0140.00716.40
7.4.100.0100.01416.41
7.4.90.0050.01316.44
7.4.80.0180.00019.39
7.4.70.0060.01116.38
7.4.60.0150.01016.52
7.4.50.0020.00216.55
7.4.40.0090.00616.37
7.4.30.0120.00916.54
7.4.00.0060.00614.73
7.3.330.0000.00613.04
7.3.320.0060.00012.93
7.3.310.0000.00716.07
7.3.300.0000.00716.19
7.3.290.0040.00916.23
7.3.280.0080.00916.19
7.3.270.0100.00717.40
7.3.260.0160.00616.66
7.3.250.0140.00916.32
7.3.240.0060.01216.18
7.3.230.0100.00616.45
7.3.210.0160.00016.27
7.3.200.0040.01219.39
7.3.190.0120.01016.28
7.3.180.0090.00616.54
7.3.170.0100.00616.30
7.3.160.0060.01016.15
7.3.120.0090.00614.79
7.2.330.0100.00716.62
7.2.320.0110.00616.25
7.2.310.0100.00616.37
7.2.300.0130.00316.25
7.2.290.0160.00416.32
7.2.60.0060.00916.75
7.2.00.0060.00919.26
7.1.200.0040.00415.38
7.1.100.0030.00717.80
7.1.70.0040.00416.80
7.1.60.0080.00317.09
7.1.50.0070.01416.93
7.1.00.0000.08022.54
7.0.200.0040.00416.34
7.0.140.0030.07322.18
7.0.90.0570.08319.95
7.0.80.0530.08019.88
7.0.70.0570.08019.89
7.0.60.0830.07719.94
7.0.50.0570.06320.29
7.0.40.0130.06320.15
7.0.30.0070.05320.14
7.0.20.0100.06320.09
7.0.10.0070.07020.09
7.0.00.0130.05320.09
5.6.240.0130.07020.63
5.6.230.0070.06720.63
5.6.220.0200.06720.64
5.6.210.0100.07720.46
5.6.200.0130.07721.17
5.6.190.0070.04321.12
5.6.180.0130.05321.16
5.6.170.0070.08720.90
5.6.160.0100.07720.89
5.6.150.0130.08021.01
5.6.140.0030.06021.00
5.6.130.0030.05021.07
5.6.120.0170.07320.95
5.6.110.0070.05720.99
5.6.100.0070.07321.03
5.6.90.0030.08320.90
5.6.80.0100.08020.48
5.6.70.0130.07720.41
5.6.60.0130.07020.37
5.6.50.0170.07320.45
5.6.40.0100.03720.36
5.6.30.0100.05720.44
5.6.20.0100.06020.38
5.6.10.0030.08020.36
5.6.00.0030.05320.42
5.5.380.0100.07320.53
5.5.370.0100.08320.45
5.5.360.0070.04720.49
5.5.350.0100.07020.38
5.5.340.0200.07020.63
5.5.330.0200.04320.86
5.5.320.0070.08020.85
5.5.310.0030.07720.79
5.5.300.0130.08720.73
5.5.290.0070.08020.88
5.5.280.0070.09020.82
5.5.270.0130.06720.84
5.5.260.0200.04720.63
5.5.250.0130.07320.67
5.5.240.0100.04320.26
5.5.230.0030.08320.20
5.5.220.0100.07720.25
5.5.210.0030.08320.14
5.5.200.0130.07720.21
5.5.190.0100.07720.10
5.5.180.0130.04720.14
5.5.160.0100.06020.23
5.5.150.0070.07320.07
5.5.140.0070.08020.11
5.5.130.0100.07320.21
5.5.120.0170.07320.16
5.5.110.0100.07720.06
5.5.100.0030.09019.96
5.5.90.0030.06320.14
5.5.80.0030.08320.16
5.5.70.0130.07720.01
5.5.60.0070.08019.99
5.5.50.0200.07020.02
5.5.40.0000.06720.10
5.5.30.0100.08020.13
5.5.20.0130.07720.12
5.5.10.0070.06320.05
5.5.00.0070.08020.10
5.4.450.0030.08319.45
5.4.440.0070.08019.27
5.4.430.0070.05019.30
5.4.420.0070.04019.41
5.4.410.0130.03019.32
5.4.400.0170.07019.06
5.4.390.0100.07318.96
5.4.380.0100.07318.81
5.4.370.0100.07718.90
5.4.360.0100.05318.91
5.4.350.0000.07718.90
5.4.340.0100.07318.98
5.4.320.0070.05319.06
5.4.310.0170.06319.14
5.4.300.0130.03719.01
5.4.290.0130.03319.02
5.4.280.0100.08018.96
5.4.270.0130.07018.98
5.4.260.0000.07019.04
5.4.250.0130.07319.02
5.4.240.0100.06719.22
5.4.230.0130.07319.11
5.4.220.0030.08719.05
5.4.210.0030.05718.93
5.4.200.0130.04719.11
5.4.190.0030.08018.97
5.4.180.0130.06719.22
5.4.170.0070.07719.11
5.4.160.0030.08319.02
5.4.150.0070.07719.02
5.4.140.0000.06716.24
5.4.130.0030.05716.33
5.4.120.0130.06016.31
5.4.110.0000.08316.25
5.4.100.0130.06716.29
5.4.90.0130.05716.30
5.4.80.0100.07016.41
5.4.70.0130.06316.30
5.4.60.0030.05316.20
5.4.50.0000.07716.40
5.4.40.0200.04016.43
5.4.30.0070.07016.23
5.4.20.0030.06016.18
5.4.10.0100.04016.28
5.4.00.0170.06015.68
5.3.290.0030.08014.64
5.3.280.0070.05714.57
5.3.270.0030.04314.54
5.3.260.0130.07014.59
5.3.250.0130.05014.59
5.3.240.0030.04314.46
5.3.230.0030.08014.55
5.3.220.0130.05714.51
5.3.210.0100.07714.57
5.3.200.0100.07014.54
5.3.190.0000.05714.52
5.3.180.0000.05314.55
5.3.170.0070.08014.53
5.3.160.0030.06714.51
5.3.150.0170.06314.52
5.3.140.0070.05314.56
5.3.130.0030.04714.39
5.3.120.0130.07014.48
5.3.110.0070.06014.49
5.3.100.0030.07313.97
5.3.90.0070.07713.93
5.3.80.0100.06014.00
5.3.70.0100.05013.87
5.3.60.0070.04713.98
5.3.50.0030.08013.90
5.3.40.0000.08313.93
5.3.30.0030.05713.81
5.3.20.0030.06013.68
5.3.10.0070.06313.66
5.3.00.0100.07013.59
5.2.170.0030.06711.21
5.2.160.0070.04310.99
5.2.150.0030.06011.14
5.2.140.0030.04711.00
5.2.130.0000.04311.05
5.2.120.0030.06311.12
5.2.110.0070.06011.16
5.2.100.0030.06710.94
5.2.90.0070.06010.89
5.2.80.0000.06311.14
5.2.70.0130.04710.95
5.2.60.0030.06711.12
5.2.50.0030.06311.01
5.2.40.0030.06310.98
5.2.30.0070.05010.95
5.2.20.0070.06310.79
5.2.10.0000.05710.91
5.2.00.0130.05310.78
5.1.60.0030.05310.00
5.1.50.0030.0339.97
5.1.40.0030.0539.82
5.1.30.0000.03310.27
5.1.20.0000.04310.35
5.1.10.0070.04710.11
5.1.00.0070.05310.05
5.0.50.0030.0478.62
5.0.40.0030.0338.24
5.0.30.0100.0578.29
5.0.20.0070.0438.18
5.0.10.0030.0408.21
5.0.00.0100.0537.98
4.4.90.0030.0337.30
4.4.80.0000.0377.30
4.4.70.0000.0277.30
4.4.60.0000.0377.30
4.4.50.0000.0377.30
4.4.40.0000.0407.30
4.4.30.0000.0277.30
4.4.20.0030.0337.30
4.4.10.0070.0277.30
4.4.00.0000.0537.30
4.3.110.0000.0407.30
4.3.100.0000.0337.30
4.3.90.0070.0237.30
4.3.80.0030.0537.30
4.3.70.0030.0377.30
4.3.60.0070.0307.30
4.3.50.0000.0277.30
4.3.40.0030.0537.30
4.3.30.0030.0337.30
4.3.20.0030.0337.30
4.3.10.0000.0337.30
4.3.00.0070.0307.30

preferences:
40.71 ms | 400 KiB | 5 Q