3v4l.org

run code in 300+ PHP versions simultaneously
<?php //echo count(str_split(json_decode('" \u00a0\n\r\t\f\u000b\u200b\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000"'))); //echo iconv_strlen(json_decode('"\u2002\u2003\u2004\u2005\u2006"')); //echo strlen(utf8_decode(json_decode('"\u2002\u2003\u2004\u2005\u2006"'))); echo mb_strlen(json_decode('"\u2002\u2003\u2004\u2005\u2006"'),'UTF-8');

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)
8.3.60.0190.00018.30
8.3.50.0250.01421.99
8.3.40.0120.00618.85
8.3.30.0080.00819.01
8.3.20.0070.00020.33
8.3.10.0040.00423.48
8.3.00.0080.00019.36
8.2.180.0040.01116.50
8.2.170.0070.00722.96
8.2.160.0100.00720.19
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0050.00322.18
8.2.110.0090.00319.27
8.2.100.0070.00418.03
8.2.90.0000.00819.09
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0070.00317.68
8.2.50.0040.00418.07
8.2.40.0000.00818.03
8.2.30.0040.00417.94
8.2.20.0050.00217.57
8.2.10.0000.00917.94
8.2.00.0040.00417.60
8.1.280.0120.00925.92
8.1.270.0000.00822.19
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0040.00719.14
8.1.230.0030.00717.64
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0030.00617.10
8.1.180.0040.00418.10
8.1.170.0060.00320.37
8.1.160.0070.00021.83
8.1.150.0040.00418.67
8.1.140.0040.00417.39
8.1.130.0080.00017.77
8.1.120.0000.00717.30
8.1.110.0000.00717.26
8.1.100.0000.00817.27
8.1.90.0000.00717.33
8.1.80.0040.00417.23
8.1.70.0070.00017.29
8.1.60.0000.00817.48
8.1.50.0030.00517.38
8.1.40.0040.00417.42
8.1.30.0030.00517.59
8.1.20.0000.00817.64
8.1.10.0050.00317.49
8.1.00.0000.00717.46
8.0.300.0060.00318.77
8.0.290.0000.00716.63
8.0.280.0000.00718.39
8.0.270.0040.00417.30
8.0.260.0030.00317.27
8.0.250.0040.00416.98
8.0.240.0000.00716.94
8.0.230.0030.00316.79
8.0.220.0030.00316.80
8.0.210.0030.00316.74
8.0.200.0040.00416.88
8.0.190.0040.00416.76
8.0.180.0100.00016.73
8.0.170.0000.00816.86
8.0.160.0070.00016.92
8.0.150.0030.00516.70
8.0.140.0040.00416.76
8.0.130.0030.00313.21
8.0.120.0040.00416.83
8.0.110.0000.00716.68
8.0.100.0030.00516.71
8.0.90.0070.00016.81
8.0.80.0030.01316.71
8.0.70.0030.00516.68
8.0.60.0040.00416.71
8.0.50.0050.00316.64
8.0.30.0110.01117.22
8.0.20.0090.01017.40
8.0.10.0050.00316.69
8.0.00.0080.00916.69
7.4.330.0040.00415.02
7.4.320.0060.00016.33
7.4.300.0060.00016.36
7.4.290.0070.00016.31
7.4.280.0030.00616.38
7.4.270.0060.00016.40
7.4.260.0030.00316.34
7.4.250.0000.00816.26
7.4.240.0060.00216.28
7.4.230.0000.00716.48
7.4.220.0140.00416.54
7.4.210.0070.01416.40
7.4.200.0000.00716.37
7.4.160.0090.00616.38
7.4.150.0070.01117.40
7.4.140.0120.01017.86
7.4.130.0100.01016.41
7.4.120.0110.00816.49
7.4.110.0090.01216.58
7.4.100.0100.00716.36
7.4.90.0070.01016.41
7.4.80.0080.01119.39
7.4.70.0180.00016.26
7.4.60.0100.00616.35
7.4.50.0000.00816.16
7.4.40.0040.01216.42
7.4.30.0100.01216.42
7.4.00.0080.00414.69
7.3.330.0000.00612.96
7.3.320.0050.00012.91
7.3.310.0050.00316.18
7.3.300.0000.00716.04
7.3.290.0080.00616.20
7.3.280.0080.00816.13
7.3.270.0040.01217.40
7.3.260.0030.01416.35
7.3.250.0130.00616.26
7.3.240.0100.00716.18
7.3.230.0140.00316.41
7.3.210.0100.00716.50
7.3.200.0060.01019.39
7.3.190.0060.01616.23
7.3.180.0140.00716.39
7.3.170.0080.00816.43
7.3.160.0040.01116.06
7.3.120.0030.01014.62
7.3.110.0040.01114.45
7.3.100.0060.00614.69
7.3.90.0060.01214.99
7.3.80.0070.00414.94
7.3.70.0000.01614.57
7.3.60.0000.01014.77
7.3.50.0050.00514.56
7.3.40.0070.00714.50
7.3.30.0030.00614.81
7.3.20.0040.00716.37
7.3.10.0030.00716.48
7.3.00.0040.00716.62
7.2.330.0130.00616.43
7.2.320.0060.01116.48
7.2.310.0190.00416.36
7.2.300.0110.00616.35
7.2.290.0090.01316.46
7.2.240.0120.00315.05
7.2.230.0030.00514.93
7.2.220.0030.01014.96
7.2.210.0000.01114.89
7.2.200.0040.00714.84
7.2.190.0000.01514.72
7.2.180.0100.00614.86
7.2.170.0060.01014.95
7.2.160.0090.00314.69
7.2.150.0040.01116.50
7.2.140.0000.01416.61
7.2.130.0080.00616.73
7.2.120.0030.00916.79
7.2.110.0100.00316.54
7.2.100.0080.00816.78
7.2.90.0000.01216.79
7.2.80.0100.00716.68
7.2.70.0060.00916.84
7.2.60.0030.01116.81
7.2.50.0070.00716.94
7.2.40.0070.01016.85
7.2.30.0090.00616.84
7.2.20.0090.00616.79
7.2.10.0060.00916.82
7.2.00.0050.01118.02
7.1.330.0070.00715.30
7.1.320.0070.00315.75
7.1.310.0060.01015.57
7.1.300.0030.01215.73
7.1.290.0040.00815.61
7.1.280.0060.00615.82
7.1.270.0060.01015.76
7.1.260.0040.00715.55
7.1.250.0070.00715.49
7.1.200.0030.00715.76
7.1.100.0040.00418.12
7.1.70.0040.01116.72
7.1.60.0110.01419.32
7.1.50.0160.00716.90
7.1.00.0030.07722.33
7.0.200.0760.01014.62
7.0.140.0000.07721.95
7.0.60.0130.06720.00
7.0.50.0070.03717.80
7.0.40.0100.07320.40
7.0.30.0130.05020.02
7.0.20.0130.06320.13
7.0.10.0070.09020.18
7.0.00.0070.05020.19
5.6.280.0070.07021.09
5.6.210.0130.04320.55
5.6.200.0130.07718.07
5.6.190.0030.05720.49
5.6.180.0230.04320.41
5.6.170.0330.07720.38
5.6.160.0170.07720.43
5.6.150.0070.08018.22
5.6.140.0100.04718.11
5.6.130.0100.06718.07
5.6.120.0070.08320.99
5.6.110.0130.08020.88
5.6.100.0030.08320.97
5.6.90.0070.05321.11
5.6.80.0070.03720.41
5.6.70.4430.04020.51
5.5.350.0230.04720.29
5.5.340.0130.07717.96
5.5.330.0030.04320.19
5.5.320.0570.04320.34
5.5.310.0270.04320.29
5.5.300.0200.06717.97
5.5.290.0030.04017.88
5.5.280.0070.08320.64
5.5.270.0070.04020.93
5.5.260.0130.07320.83
5.5.250.0070.08020.58
5.5.240.0230.07320.14
5.4.450.0270.05019.41
5.4.440.0300.04019.10
5.4.430.0270.03319.57
5.4.420.0270.03319.54
5.4.410.0200.07018.97
5.4.400.0170.04018.89
5.4.390.0230.06319.13
5.4.380.0300.04018.80
5.4.370.0270.04319.25
5.4.360.0270.07019.25
5.4.350.0330.04018.80
5.4.340.0230.04719.22
5.4.320.0270.04718.88
5.4.310.0270.06019.09
5.4.300.0200.05719.24
5.4.290.0170.04019.06
5.4.280.0170.07319.09
5.4.270.0200.03719.24
5.4.260.0130.07718.91
5.4.250.0100.06018.95
5.4.240.0130.03719.08
5.4.230.0170.06019.13
5.4.220.0230.04019.09
5.4.210.0170.03319.15
5.4.200.0200.04019.23
5.4.190.0170.04719.23
5.4.180.0170.03319.12
5.4.170.0270.05718.90
5.4.160.0170.04318.75
5.4.150.0200.04318.86
5.4.140.0130.04716.32
5.4.130.0200.06016.18
5.4.120.0170.06316.52
5.4.110.0200.07016.21
5.4.100.0230.03316.39
5.4.90.0230.05316.18
5.4.80.0300.06016.29
5.4.70.0200.04016.38
5.4.60.0230.06716.19
5.4.50.0130.04016.45
5.4.40.0130.06716.39
5.4.30.0130.06016.38
5.4.20.0200.03016.40
5.4.10.0170.03316.39
5.4.00.0170.03715.89
5.3.290.0170.07714.52
5.3.280.0130.05714.64
5.3.270.0170.04014.45
5.3.260.0100.04014.56
5.3.250.0170.04314.44
5.3.240.0200.06714.44
5.3.230.0230.03714.44
5.3.220.0070.05314.43
5.3.210.0200.05014.39
5.3.200.0230.07014.52
5.3.190.0170.04014.40
5.3.180.0270.05014.50
5.3.170.0170.05714.56
5.3.160.0130.06314.66
5.3.150.0200.03014.53
5.3.140.0200.07714.54
5.3.130.0170.04014.45
5.3.120.0230.07014.38
5.3.110.0300.06314.40
5.3.100.0200.04314.12
5.3.90.0230.07313.88
5.3.80.0270.05314.03
5.3.70.0200.04313.85
5.3.60.0300.06314.05
5.3.50.0200.07013.71
5.3.40.0230.06713.85
5.3.30.0100.08313.95
5.3.20.0130.03713.63
5.3.10.0170.03713.43
5.3.00.0170.03713.65
5.2.170.0270.03711.30
5.2.160.0100.03310.98
5.2.150.0070.03311.08
5.2.140.0100.04011.29
5.2.130.0130.06011.02
5.2.120.0130.03311.25
5.2.110.0100.03311.11
5.2.100.0130.06010.93
5.2.90.0100.04311.04
5.2.80.0030.04010.95
5.2.70.0100.04010.93
5.2.60.0170.03310.88
5.2.50.0170.02310.85
5.2.40.0100.03710.85
5.2.30.0130.02710.82
5.2.20.0130.06010.79
5.2.10.0170.02010.77
5.2.00.0170.05310.62
5.1.60.0200.04310.07
5.1.50.0170.0209.96
5.1.40.0100.0239.95
5.1.30.0100.03310.41
5.1.20.0200.03710.24
5.1.10.0070.03010.04
5.1.00.0130.02010.04
5.0.50.0130.0409.80
5.0.40.0100.0179.80
5.0.30.0030.0339.80
5.0.20.0070.0409.80
5.0.10.0030.0309.80
5.0.00.0030.0339.80
4.4.90.0070.0139.80
4.4.80.0070.0309.80
4.4.70.0030.0279.80
4.4.60.0030.0239.80
4.4.50.0070.0179.80
4.4.40.0070.0239.80
4.4.30.0030.0179.80
4.4.20.0030.0179.80
4.4.10.0030.0209.80
4.4.00.0070.0309.80
4.3.110.0100.0339.80
4.3.100.0130.0179.80
4.3.90.0070.0209.80
4.3.80.0170.0479.80
4.3.70.0070.0209.80
4.3.60.0070.0379.80
4.3.50.0100.0239.80
4.3.40.0070.0279.80
4.3.30.0000.0209.80
4.3.20.0030.0339.80
4.3.10.0000.0279.80
4.3.00.0030.0209.80

preferences:
96.51 ms | 401 KiB | 5 Q