3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo count_chars( " i am a programmer aaaaaaaaaaaaaaaaaaaaaaa", 3);

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)
8.3.70.0040.01818.33
8.3.60.0120.00316.63
8.3.50.0150.00522.82
8.3.40.0070.00718.54
8.3.30.0140.00718.96
8.3.20.0070.00020.09
8.3.10.0040.00423.52
8.3.00.0030.00519.26
8.2.180.0120.00316.32
8.2.170.0070.00722.96
8.2.160.0090.00420.53
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00021.10
8.2.110.0090.00022.14
8.2.100.0090.00319.51
8.2.90.0000.00719.08
8.2.80.0080.00017.97
8.2.70.0080.00017.38
8.2.60.0040.00417.91
8.2.50.0030.00518.07
8.2.40.0040.00418.09
8.2.30.0000.00717.94
8.2.20.0060.00317.71
8.2.10.0000.00817.98
8.2.00.0000.00717.42
8.1.280.0070.00725.92
8.1.270.0050.00323.87
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.64
8.1.230.0050.00519.06
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0030.00517.11
8.1.180.0050.00318.10
8.1.170.0000.00818.59
8.1.160.0000.00821.92
8.1.150.0070.00018.80
8.1.140.0050.00217.18
8.1.130.0030.00517.71
8.1.120.0070.00017.40
8.1.110.0040.00417.32
8.1.100.0050.00217.24
8.1.90.0030.00517.27
8.1.80.0070.00017.30
8.1.70.0000.00717.27
8.1.60.0040.00417.46
8.1.50.0060.00317.34
8.1.40.0030.00717.26
8.1.30.0030.00517.51
8.1.20.0080.00017.40
8.1.10.0000.00817.34
8.1.00.0030.00617.37
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0070.00018.27
8.0.270.0030.00317.10
8.0.260.0060.00017.09
8.0.250.0000.00716.91
8.0.240.0030.00616.91
8.0.230.0030.00316.78
8.0.220.0030.00316.75
8.0.210.0050.00216.64
8.0.200.0000.00616.80
8.0.190.0060.00616.78
8.0.180.0000.00816.77
8.0.170.0050.00516.61
8.0.160.0000.01116.78
8.0.150.0040.00416.69
8.0.140.0000.00716.70
8.0.130.0000.00513.14
8.0.120.0000.00716.64
8.0.110.0040.00416.71
8.0.100.0040.00416.73
8.0.90.0040.00416.66
8.0.80.0030.01216.74
8.0.70.0000.00716.70
8.0.60.0070.00016.81
8.0.50.0000.00716.73
8.0.30.0140.00816.96
8.0.20.0100.00717.40
8.0.10.0000.00716.89
8.0.00.0130.00716.70
7.4.330.0020.00215.00
7.4.320.0030.00316.43
7.4.300.0000.00616.34
7.4.290.0050.00216.44
7.4.280.0000.00816.30
7.4.270.0030.00516.25
7.4.260.0000.00716.36
7.4.250.0000.00716.18
7.4.240.0020.00516.42
7.4.230.0030.00316.20
7.4.220.0140.00316.32
7.4.210.0090.00616.31
7.4.200.0000.00716.34
7.4.160.0060.00916.25
7.4.150.0140.01017.40
7.4.140.0090.00817.86
7.4.130.0070.00916.36
7.4.120.0090.01116.40
7.4.110.0100.00616.23
7.4.100.0100.00716.11
7.4.90.0060.01016.30
7.4.80.0220.00619.39
7.4.70.0090.00616.38
7.4.60.0070.00716.39
7.4.50.0030.00316.29
7.4.40.0070.01016.56
7.4.30.0110.01316.43
7.4.10.0100.01014.62
7.4.00.0100.00714.82
7.3.330.0000.00512.88
7.3.320.0060.00012.99
7.3.310.0000.00616.24
7.3.300.0070.00016.08
7.3.290.0090.01016.11
7.3.280.0090.00716.12
7.3.270.0140.00317.40
7.3.260.0120.00416.25
7.3.250.0120.00816.36
7.3.240.0030.01315.95
7.3.230.0040.01616.39
7.3.210.0060.01116.35
7.3.200.0100.00619.39
7.3.190.0180.00316.18
7.3.180.0000.01516.18
7.3.170.0040.01216.27
7.3.160.0130.00616.07
7.3.130.0060.01214.55
7.3.120.0140.00314.84
7.3.110.0100.00714.85
7.3.100.0000.01114.38
7.3.90.0070.00714.69
7.3.80.0060.00914.59
7.3.70.0030.01014.80
7.3.60.0000.01514.32
7.3.50.0040.01114.66
7.3.40.0080.00314.55
7.3.30.0000.01314.61
7.3.20.0070.01016.28
7.3.10.0110.00516.23
7.3.00.0090.00716.45
7.2.330.0090.01716.59
7.2.320.0050.01616.57
7.2.310.0090.01316.46
7.2.300.0090.00616.52
7.2.290.0100.00716.43
7.2.260.0070.01014.80
7.2.250.0060.00914.83
7.2.240.0060.00915.13
7.2.230.0030.01415.09
7.2.220.0000.00914.97
7.2.210.0070.00714.79
7.2.200.0040.01115.04
7.2.190.0030.01314.69
7.2.180.0030.00914.75
7.2.170.0030.01015.05
7.2.160.0030.01114.91
7.2.150.0030.00916.71
7.2.140.0030.01016.79
7.2.130.0110.00616.46
7.2.120.0100.00716.53
7.2.110.0060.01116.38
7.2.100.0090.00716.54
7.2.90.0130.00616.49
7.2.80.0070.01016.53
7.2.70.0080.01016.51
7.2.60.0100.00716.54
7.2.50.0060.00516.53
7.2.40.0050.00916.61
7.2.30.0120.00016.36
7.2.20.0110.00516.89
7.2.10.0080.00916.49
7.2.00.0110.00817.54
7.1.330.0090.00615.70
7.1.320.0030.01415.61
7.1.310.0040.01115.70
7.1.300.0070.01015.36
7.1.290.0070.00715.91
7.1.280.0040.00815.33
7.1.270.0030.00615.73
7.1.260.0030.00715.59
7.1.250.0060.01015.42
7.1.240.0080.00815.41
7.1.230.0040.00415.45
7.1.220.0040.00815.76
7.1.210.0000.01115.71
7.1.200.0060.00615.79
7.1.190.0060.00615.56
7.1.180.0040.00715.60
7.1.170.0070.00715.44
7.1.160.0000.01215.72
7.1.150.0080.00315.82
7.1.140.0070.01015.66
7.1.130.0060.00315.73
7.1.120.0000.01215.27
7.1.110.0030.01015.78
7.1.100.0100.00216.76
7.1.90.0000.01415.85
7.1.80.0040.01115.52
7.1.70.0060.00316.32
7.1.60.0060.01117.39
7.1.50.0090.00916.22
7.1.40.0000.00915.68
7.1.30.0000.01515.57
7.1.20.0080.00015.70
7.1.10.0060.00615.75
7.1.00.0050.04118.88
7.0.330.0000.01215.23
7.0.320.0110.00015.21
7.0.310.0000.01015.26
7.0.300.0070.00415.05
7.0.290.0060.00615.44
7.0.280.0050.00515.21
7.0.270.0030.01015.32
7.0.260.0000.01215.24
7.0.250.0090.00315.50
7.0.240.0030.00615.46
7.0.230.0070.01015.35
7.0.220.0060.01015.18
7.0.210.0100.00015.17
7.0.200.0050.00815.96
7.0.190.0080.00315.48
7.0.180.0060.00915.18
7.0.170.0070.00415.38
7.0.160.0060.00615.32
7.0.150.0080.00415.04
7.0.140.0070.04018.77
7.0.130.0000.01515.46
7.0.120.0020.03518.78
7.0.110.0050.04018.71
7.0.100.0050.04018.73
7.0.90.0030.04118.64
7.0.80.0050.03918.78
7.0.70.0060.03618.66
7.0.60.0020.04218.68
7.0.50.0050.03818.56
7.0.40.0060.03817.83
7.0.30.0070.03717.65
7.0.20.0040.04117.76
7.0.10.0040.04117.77
7.0.00.0020.04217.73
5.6.400.0000.01214.19
5.6.390.0090.00614.34
5.6.380.0030.01014.07
5.6.370.0070.00714.04
5.6.360.0100.00714.10
5.6.350.0130.00014.21
5.6.340.0000.01014.50
5.6.330.0070.00714.18
5.6.320.0060.00314.11
5.6.310.0070.00714.11
5.6.300.0070.00714.37
5.6.290.0040.01114.30
5.6.280.0000.04317.77
5.6.270.0040.00414.27
5.6.260.0080.03717.65
5.6.250.0070.04017.53
5.6.240.0110.03217.58
5.6.230.0060.04017.62
5.6.220.0050.03717.55
5.6.210.0070.03717.64
5.6.200.0030.04317.61
5.6.190.0000.04617.48
5.6.180.0030.03817.49
5.6.170.0030.03817.77
5.6.160.0110.03417.46
5.6.150.0030.04217.43
5.6.140.0100.03317.76
5.6.130.0030.03717.42
5.6.120.0030.04017.59
5.6.110.0030.04117.73
5.6.100.0050.03817.57
5.6.90.0050.03917.62
5.6.80.0020.03817.07
5.6.70.0030.03317.16
5.6.60.0050.03217.14
5.6.50.0050.03317.24
5.6.40.0080.03317.25
5.6.30.0080.03917.29
5.6.20.0110.03317.19
5.6.10.0040.03917.24
5.6.00.0090.03317.24
5.5.380.0060.03715.81
5.5.370.0040.04015.69
5.5.360.0070.03815.64
5.5.350.0060.03715.77
5.5.340.0040.03415.91
5.5.330.0050.03716.26
5.5.320.0120.03016.09
5.5.310.0040.03816.14
5.5.300.0040.03816.07
5.5.290.0040.04216.16
5.5.280.0050.03716.22
5.5.270.0030.04016.14
5.5.260.0040.04016.09
5.5.250.0060.03415.90
5.5.240.0040.03915.53
5.5.230.0070.03715.55
5.5.220.0000.04415.63
5.5.210.0100.03515.54
5.5.200.0090.03415.58
5.5.190.0040.04115.64
5.5.180.0040.04115.76
5.5.170.0120.00313.92
5.5.160.0030.03715.83
5.5.150.0040.03615.72
5.5.140.0020.03715.70
5.5.130.0050.03515.76
5.5.120.0020.03915.48
5.5.110.0010.03915.78
5.5.100.0050.03615.65
5.5.90.0020.03715.45
5.5.80.0030.03815.69
5.5.70.0020.04115.79
5.5.60.0020.04015.71
5.5.50.0050.03615.56
5.5.40.0010.03915.53
5.5.30.0050.03315.71
5.5.20.0030.03815.62
5.5.10.0030.04115.64
5.5.00.0030.03815.78
5.4.450.0020.04115.00
5.4.440.0060.03415.05
5.4.430.0020.03815.10
5.4.420.0050.03815.19
5.4.410.0070.03314.96
5.4.400.0060.03314.94
5.4.390.0070.03214.89
5.4.380.0040.03615.01
5.4.370.0070.03514.91
5.4.360.0020.04014.83
5.4.350.0030.03814.92
5.4.340.0020.04114.97
5.4.330.0080.00010.63
5.4.320.0000.04014.89
5.4.310.0010.03115.01
5.4.300.0020.03714.86
5.4.290.0040.03514.94
5.4.280.0030.03314.88
5.4.270.0030.03715.06
5.4.260.0070.03214.78
5.4.250.0020.03714.86
5.4.240.0030.03514.95
5.4.230.0040.03515.00
5.4.220.0050.03814.86
5.4.210.0020.03614.75
5.4.200.0020.03514.87
5.4.190.0050.03314.89
5.4.180.0030.03514.88
5.4.170.0060.03514.97
5.4.160.0030.03314.78
5.4.150.0050.03614.80
5.4.140.0070.03213.44
5.4.130.0030.03313.56
5.4.120.0030.03413.70
5.4.110.0010.03813.42
5.4.100.0020.03713.35
5.4.90.0060.03013.61
5.4.80.0030.03513.55
5.4.70.0010.03613.51
5.4.60.0000.03613.57
5.4.50.0040.03513.73
5.4.40.0020.03713.53
5.4.30.0000.03113.56
5.4.20.0020.03713.50
5.4.10.0050.03413.67
5.4.00.0020.02913.31
5.3.290.0030.07014.57
5.3.280.0030.06714.65
5.3.270.0000.06314.54
5.3.260.0030.07014.48
5.3.250.0070.05714.55
5.3.240.0030.06714.55
5.3.230.0000.06714.47
5.3.220.0030.06314.43
5.3.210.0030.06314.45
5.3.200.0030.06714.50
5.3.190.0030.05714.57
5.3.180.0000.07014.45
5.3.170.0000.07014.51
5.3.160.0000.06714.63
5.3.150.0030.06314.63
5.3.140.0070.05714.64
5.3.130.0030.06714.42
5.3.120.0070.05714.41
5.3.110.0000.07014.64
5.3.100.0070.06314.02
5.3.90.0030.06713.96
5.3.80.0070.06013.80
5.3.70.0000.07013.94
5.3.60.0000.06013.93
5.3.50.0030.06313.95
5.3.40.0030.06313.84
5.3.30.0030.06313.91
5.3.20.0070.06013.62
5.3.10.0000.06013.58
5.3.00.0030.06713.50
5.2.170.0000.06011.13
5.2.160.0030.05311.29
5.2.150.0030.05311.06
5.2.140.0000.05711.08
5.2.130.0030.05011.02
5.2.120.0000.05311.00
5.2.110.0000.05311.25
5.2.100.0000.05311.05
5.2.90.0030.05311.04
5.2.80.0030.05311.16
5.2.70.0000.05711.02
5.2.60.0000.05310.94
5.2.50.0000.05710.90
5.2.40.0000.05710.91
5.2.30.0030.05310.88
5.2.20.0000.05710.86
5.2.10.0030.05310.98
5.2.00.0070.05010.61
5.1.60.0030.04310.02
5.1.50.0000.04710.02
5.1.40.0030.04010.02
5.1.30.0000.04710.28
5.1.20.0030.04710.34
5.1.10.0000.05010.02
5.1.00.0070.04010.12
5.0.50.0000.04010.02
5.0.40.0070.03310.02
5.0.30.0030.05310.02
5.0.20.0030.03310.02
5.0.10.0030.03710.02
5.0.00.0000.05010.02
4.4.90.0000.03010.02
4.4.80.0000.03010.02
4.4.70.0000.03010.02
4.4.60.0070.02010.02
4.4.50.0030.02710.02
4.4.40.0030.04310.02
4.4.30.0000.03010.02
4.4.20.0000.03310.02
4.4.10.0000.03010.02
4.4.00.0030.04310.02
4.3.110.0000.03010.02
4.3.100.0000.03010.02
4.3.90.0030.02710.02
4.3.80.0030.04010.02
4.3.70.0070.02310.02
4.3.60.0070.02310.02
4.3.50.0030.03010.02
4.3.40.0000.04710.02
4.3.30.0030.02710.02
4.3.20.0000.03310.02
4.3.10.0030.03010.02
4.3.00.0070.02710.02

preferences:
49.14 ms | 401 KiB | 5 Q