3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strlen('...')); var_dump(strlen('…')); var_dump(json_encode('...')); var_dump(strlen(json_encode('...'))); var_dump(json_encode('…')); var_dump(strlen(json_encode('…')));

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)
8.3.60.0090.01218.18
8.3.50.0110.00922.11
8.3.40.0120.00318.57
8.3.30.0030.01218.95
8.3.20.0110.00720.24
8.3.10.0040.00423.36
8.3.00.0070.01119.06
8.2.180.0090.00916.50
8.2.170.0070.00722.96
8.2.160.0130.00722.12
8.2.150.0070.01124.18
8.2.140.0000.00724.66
8.2.130.0030.01026.16
8.2.120.0060.00321.00
8.2.110.0090.00020.47
8.2.100.0080.00417.78
8.2.90.0000.00817.78
8.2.80.0030.00617.97
8.2.70.0040.00417.80
8.2.60.0030.00517.90
8.2.50.0050.00318.10
8.2.40.0040.00419.35
8.2.30.0040.00419.13
8.2.20.0040.00417.56
8.2.10.0050.00217.82
8.2.00.0070.00017.45
8.1.280.0120.00325.92
8.1.270.0160.00018.70
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.22
8.1.230.0040.00720.88
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.25
8.1.180.0090.00019.07
8.1.170.0040.00418.46
8.1.160.0050.00318.91
8.1.150.0000.00718.64
8.1.140.0000.00717.20
8.1.130.0030.00317.81
8.1.120.0000.00717.33
8.1.110.0040.00417.23
8.1.100.0070.00017.33
8.1.90.0040.00417.25
8.1.80.0000.00717.25
8.1.70.0030.00517.22
8.1.60.0030.00517.47
8.1.50.0080.00017.22
8.1.40.0040.00417.43
8.1.30.0040.00417.59
8.1.20.0000.00717.53
8.1.10.0000.00717.36
8.1.00.0000.00717.38
8.0.300.0060.00321.57
8.0.290.0060.00316.58
8.0.280.0000.00718.23
8.0.270.0000.00817.09
8.0.260.0000.00817.00
8.0.250.0030.00316.82
8.0.240.0070.00016.68
8.0.230.0030.00316.78
8.0.220.0050.00216.78
8.0.210.0040.00416.72
8.0.200.0030.00316.82
8.0.190.0080.00016.84
8.0.180.0000.00716.74
8.0.170.0070.00016.80
8.0.160.0050.00316.66
8.0.150.0020.00516.66
8.0.140.0040.00416.77
8.0.130.0030.00313.15
8.0.120.0000.00916.64
8.0.110.0060.00316.64
8.0.100.0060.00316.76
8.0.90.0040.00416.67
8.0.80.0000.01416.81
8.0.70.0030.00316.87
8.0.60.0070.00016.80
8.0.50.0040.00416.82
8.0.30.0080.01517.13
8.0.20.0110.01117.40
8.0.10.0070.00016.77
8.0.00.0150.00216.66
7.4.330.0000.00515.03
7.4.320.0030.00316.46
7.4.300.0070.00016.36
7.4.290.0000.00716.49
7.4.280.0000.00716.35
7.4.270.0040.00416.48
7.4.260.0040.00416.36
7.4.250.0000.00716.33
7.4.240.0020.00516.32
7.4.230.0070.00016.54
7.4.220.0070.01016.41
7.4.210.0060.01216.46
7.4.200.0030.00316.21
7.4.160.0120.00316.16
7.4.150.0120.00617.40
7.4.140.0100.01217.86
7.4.130.0140.00516.40
7.4.120.0070.01216.52
7.4.110.0060.01616.38
7.4.100.0170.00016.35
7.4.90.0070.01316.52
7.4.80.0160.00619.39
7.4.70.0060.00916.43
7.4.60.0100.00716.38
7.4.50.0030.00516.21
7.4.40.0060.01516.38
7.4.30.0120.00616.37
7.4.00.0060.01114.93
7.3.330.0000.00512.98
7.3.320.0000.00512.96
7.3.310.0040.00415.93
7.3.300.0060.00016.15
7.3.290.0080.00716.19
7.3.280.0080.00916.15
7.3.270.0090.01017.40
7.3.260.0190.00616.34
7.3.250.0090.00816.17
7.3.240.0180.00416.34
7.3.230.0140.00316.39
7.3.210.0140.00516.20
7.3.200.0030.01219.39
7.3.190.0120.00916.30
7.3.180.0150.00616.27
7.3.170.0130.00916.39
7.3.160.0030.01316.15
7.3.120.0070.01014.59
7.3.110.0050.01314.56
7.3.100.0050.00714.79
7.3.90.0090.00514.71
7.3.80.0060.00614.77
7.3.70.0030.01314.71
7.3.60.0110.00514.53
7.3.50.0070.00514.58
7.3.40.0050.00614.59
7.3.30.0070.00714.53
7.3.20.0040.01016.44
7.3.10.0070.00716.56
7.3.00.0060.00716.55
7.2.330.0100.00716.30
7.2.320.0150.00616.44
7.2.310.0070.01016.54
7.2.300.0100.00716.59
7.2.290.0060.01216.38
7.2.250.0050.01014.85
7.2.240.0070.01314.94
7.2.230.0070.00714.89
7.2.220.0030.00914.71
7.2.210.0070.00614.70
7.2.200.0030.00614.94
7.2.190.0040.00914.89
7.2.180.0000.01414.54
7.2.170.0110.00514.89
7.2.00.0080.00419.26
7.1.330.0070.00715.48
7.1.320.0060.00715.66
7.1.310.0080.00615.79
7.1.300.0070.00915.70
7.1.290.0060.00815.49
7.1.280.0070.00715.60
7.1.270.0060.00815.43
7.1.260.0060.00415.71
7.1.100.0000.00917.75
7.1.70.0430.00415.23
7.1.60.0450.00315.09
7.1.50.0510.00315.12
7.1.40.0390.01015.09
7.1.30.0480.00315.09
7.1.20.0370.01215.09
7.1.10.0430.00715.09
7.1.00.0490.00715.09
7.0.200.0440.00915.09
7.0.190.0350.00815.09
7.0.180.0420.00615.09
7.0.170.0430.01015.09
7.0.160.0570.00915.09
7.0.150.0720.00315.09
7.0.140.0480.01115.09
7.0.130.0320.01215.09
7.0.120.0680.00315.09
7.0.110.0520.00715.09
7.0.100.3000.00315.09
7.0.90.0560.00415.09
7.0.80.0500.00715.09
7.0.70.0510.00315.09
7.0.60.0550.00315.09
7.0.50.0540.00715.09
7.0.40.0100.00315.09
7.0.30.0100.01015.09
7.0.20.0060.00915.09
7.0.10.0050.01115.09
7.0.00.0080.00415.09
5.6.300.0070.04420.96
5.6.290.0110.04120.73
5.6.280.0130.04221.09
5.6.270.0240.06121.07
5.6.260.0070.04821.06
5.6.250.0100.05220.87
5.6.240.0070.04720.84
5.6.230.0070.04620.87
5.6.220.0130.04920.86
5.6.210.0070.05421.06
5.6.200.0070.04520.76
5.6.190.0100.04520.79
5.6.180.0130.04520.82
5.6.170.0300.03920.83
5.6.160.0130.04321.02
5.6.150.0070.04620.82
5.6.140.0070.04620.81
5.6.130.0120.04020.82
5.6.120.0000.05420.80
5.6.110.0070.05520.98
5.6.100.0040.05321.03
5.6.90.0290.05520.78
5.6.80.0110.04020.41
5.6.70.0070.04220.23
5.6.60.0040.06220.39
5.6.50.0080.04120.40
5.6.40.0070.04120.18
5.6.30.0040.04820.29
5.6.20.0110.04420.11
5.6.10.0070.05220.12
5.6.00.0030.04920.16
5.5.380.0130.03517.56
5.5.370.0040.04517.56
5.5.360.0100.05617.49
5.5.350.0070.04217.47
5.5.340.0070.05117.95
5.5.330.0030.04817.71
5.5.320.0040.04317.97
5.5.310.0070.04317.74
5.5.300.0000.04717.86
5.5.290.0090.04417.70
5.5.280.0030.04418.03
5.5.270.0090.04318.02
5.5.260.0100.04617.83
5.5.250.0030.06917.75
5.5.240.0070.04217.41
5.5.230.0130.06217.45
5.5.220.0070.04017.25
5.5.210.0070.03617.31
5.5.200.0070.03717.41
5.5.190.0030.04017.05
5.5.180.0070.03817.21
5.5.160.0070.04017.29
5.5.150.0070.04417.32
5.5.140.0030.04017.34
5.5.130.0110.03217.37
5.5.120.0030.05917.18
5.5.110.0030.04717.40
5.5.100.0120.04316.96
5.5.90.0040.04017.27
5.5.80.0070.04117.32
5.5.70.0130.03617.26
5.5.60.0110.03516.95
5.5.50.0070.04917.11
5.5.40.0070.03817.23
5.5.30.0070.03817.20
5.5.20.0070.03917.07
5.5.10.0040.04316.95
5.5.00.0030.04517.17
5.4.450.0200.03019.31
5.4.440.0100.03719.16
5.4.430.0110.04619.31
5.4.420.0100.03919.34
5.4.410.0090.04719.25
5.4.400.0090.03719.02
5.4.390.0030.08019.01
5.4.380.0030.04519.06
5.4.370.0100.04219.00
5.4.360.0000.04519.10
5.4.350.0100.05718.82
5.4.340.0030.05918.98
5.4.320.0030.04119.07
5.4.310.0070.04519.17
5.4.300.0160.03219.06
5.4.290.0060.04119.09
5.4.280.0100.04918.98
5.4.270.0030.05819.06
5.4.260.0140.03419.09
5.4.250.0070.03619.06
5.4.240.0100.04218.84
5.4.230.0030.04218.82
5.4.220.0030.04519.06
5.4.210.0070.04718.99
5.4.200.0040.04218.97
5.4.190.0030.04419.06
5.4.180.0100.03518.82
5.4.170.0070.03719.06
5.4.160.0100.03218.98
5.4.150.0100.03419.12
5.4.140.0030.04516.61
5.4.130.0000.04216.46
5.4.120.0040.03516.46
5.4.110.0070.06616.34
5.4.100.0120.03116.38
5.4.90.0140.07216.50
5.4.80.0030.03716.60
5.4.70.0030.03816.34
5.4.60.0030.03916.33
5.4.50.0130.05716.48
5.4.40.0030.04216.71
5.4.30.0130.02816.32
5.4.20.0170.03716.31
5.4.10.0000.04216.65
5.4.00.0000.03915.83
5.3.290.0030.04515.09
5.3.280.0030.04215.09
5.3.270.0000.04115.09
5.3.260.0090.03315.09
5.3.250.0030.03815.09
5.3.240.0000.04215.09
5.3.230.0030.03715.09
5.3.220.0090.03315.09
5.3.210.0130.03215.09
5.3.200.0000.04015.09
5.3.190.0040.04315.09
5.3.180.0030.04215.09
5.3.170.0070.03815.09
5.3.160.0100.03015.09
5.3.150.0070.03915.09
5.3.140.0030.04215.09
5.3.130.0040.04215.09
5.3.120.0100.03615.09
5.3.110.0000.04515.09
5.3.100.0070.03615.09
5.3.90.0030.03615.09
5.3.80.0290.03915.09
5.3.70.0030.04115.09
5.3.60.0070.03615.09
5.3.50.0060.03415.09
5.3.40.0070.03715.09
5.3.30.0240.04415.09
5.3.20.0000.04015.09
5.3.10.0070.03115.09
5.3.00.0030.03615.09
5.2.170.0000.03715.09
5.2.160.0110.03615.09
5.2.150.0040.02915.09
5.2.140.0030.02915.09
5.2.130.0000.03215.09
5.2.120.0000.03415.09
5.2.110.0000.03315.09
5.2.100.0040.03215.09
5.2.90.0110.02215.09
5.2.80.0100.03115.09
5.2.70.0000.03315.09
5.2.60.0100.02615.09
5.2.50.0040.02915.09
5.2.40.0090.02215.09
5.2.30.0100.03915.09
5.2.20.0000.03615.09
5.2.10.0060.02515.09
5.2.00.0030.02815.09
5.1.60.0030.02715.09
5.1.50.0000.03415.09
5.1.40.0000.02815.09
5.1.30.0030.03115.09
5.1.20.0070.03115.09
5.1.10.0030.02415.09
5.1.00.0000.02815.09
5.0.50.0060.01815.09
5.0.40.0030.01815.09
5.0.30.0130.03015.09
5.0.20.0000.02915.09
5.0.10.0030.02015.09
5.0.00.0000.03515.09
4.4.90.0030.01315.09
4.4.80.0000.01815.09
4.4.70.0000.01715.09
4.4.60.0000.01715.09
4.4.50.0000.01715.09
4.4.40.0000.02615.09
4.4.30.0030.01515.09
4.4.20.0000.02315.09
4.4.10.0000.01715.09
4.4.00.0030.02515.09
4.3.110.0000.02215.09
4.3.100.0030.04015.09
4.3.90.0030.01315.09
4.3.80.0000.02615.09
4.3.70.0000.01815.09
4.3.60.0030.01515.09
4.3.50.0030.01715.09
4.3.40.0030.03515.09
4.3.30.0000.02015.09
4.3.20.0000.03615.09
4.3.10.0000.03515.09
4.3.00.0060.01115.09

preferences:
86.09 ms | 401 KiB | 5 Q