3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "ß"; echo "Not unicode safe:"; var_dump($a[0], $a[1]); echo "Select's 3th character"; $hey = ">>@<<"; var_dump($hey[2]);

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)
8.3.60.0070.00718.18
8.3.50.0080.01221.85
8.3.40.0140.00018.58
8.3.30.0040.01118.83
8.3.20.0070.00020.20
8.3.10.0040.00421.77
8.3.00.0000.00817.91
8.2.180.0150.00616.50
8.2.170.0000.02022.96
8.2.160.0070.00720.47
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.01026.16
8.2.120.0060.00321.05
8.2.110.0000.00922.08
8.2.100.0050.00519.95
8.2.90.0080.00019.17
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0080.00018.04
8.2.50.0000.00818.07
8.2.40.0040.00418.34
8.2.30.0040.00418.15
8.2.20.0030.00717.78
8.2.10.0040.00417.95
8.2.00.0000.00817.48
8.1.280.0070.01425.92
8.1.270.0080.00023.91
8.1.260.0020.00526.35
8.1.250.0070.00028.09
8.1.240.0000.00923.77
8.1.230.0040.00719.10
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0090.00317.22
8.1.190.0040.00417.11
8.1.180.0060.00318.10
8.1.170.0060.00318.40
8.1.160.0040.00421.99
8.1.150.0000.00818.75
8.1.140.0060.00317.37
8.1.130.0000.00717.73
8.1.120.0040.00417.25
8.1.110.0050.00317.37
8.1.100.0080.00017.39
8.1.90.0070.00317.43
8.1.80.0000.00817.29
8.1.70.0030.00317.31
8.1.60.0070.00317.44
8.1.50.0080.00017.45
8.1.40.0040.00417.50
8.1.30.0040.00417.47
8.1.20.0000.00717.62
8.1.10.0000.00817.49
8.1.00.0030.00617.37
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.43
8.0.270.0070.00017.24
8.0.260.0060.00017.16
8.0.250.0030.00516.75
8.0.240.0040.00416.86
8.0.230.0000.00716.87
8.0.220.0030.00316.86
8.0.210.0030.00316.80
8.0.200.0000.00716.94
8.0.190.0040.00416.86
8.0.180.0000.00716.74
8.0.170.0050.00316.67
8.0.160.0040.00416.84
8.0.150.0000.00716.64
8.0.140.0050.00216.80
8.0.130.0030.00313.22
8.0.120.0040.00416.75
8.0.110.0030.00516.71
8.0.100.0080.00016.86
8.0.90.0000.00816.79
8.0.80.0030.01316.77
8.0.70.0000.00716.64
8.0.60.0000.00716.81
8.0.50.0020.00516.93
8.0.30.0100.00817.09
8.0.20.0080.01317.40
8.0.10.0000.00716.89
8.0.00.0090.01116.81
7.4.330.0020.00215.05
7.4.320.0040.00416.47
7.4.300.0000.00716.42
7.4.290.0060.00016.45
7.4.280.0040.00416.34
7.4.270.0070.00016.38
7.4.260.0000.01016.49
7.4.250.0000.00716.48
7.4.240.0020.00516.52
7.4.230.0000.00716.32
7.4.220.0120.01416.57
7.4.210.0030.01016.46
7.4.200.0070.00016.61
7.4.160.0120.00316.58
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0160.00716.54
7.4.120.0080.01116.43
7.4.110.0090.00916.23
7.4.100.0110.01116.48
7.4.90.0140.00316.28
7.4.80.0100.00519.39
7.4.70.0060.00916.46
7.4.60.0070.01016.39
7.4.50.0090.00016.26
7.4.40.0060.01216.66
7.4.30.0110.00716.52
7.4.00.0110.00714.90
7.3.330.0020.00213.11
7.3.320.0000.00612.90
7.3.310.0050.00216.03
7.3.300.0030.00316.10
7.3.290.0000.01416.13
7.3.280.0090.00816.15
7.3.270.0130.00417.40
7.3.260.0100.00716.30
7.3.240.0060.01916.21
7.3.230.0070.01116.39
7.3.210.0110.00816.13
7.3.200.0100.01019.39
7.3.190.0130.00416.30
7.3.180.0070.01416.53
7.3.170.0080.00816.27
7.3.160.0100.00616.44
7.3.120.0060.01214.98
7.3.10.0080.01316.00
7.3.00.0090.01016.25
7.2.330.0080.00816.63
7.2.320.0100.00916.30
7.2.310.0070.01116.69
7.2.300.0040.01316.32
7.2.290.0120.00416.66
7.2.130.0070.00916.38
7.2.120.0120.00016.43
7.2.110.0130.00316.50
7.2.100.0020.01116.80
7.2.90.0120.00316.70
7.2.80.0090.00816.59
7.2.70.0100.00716.64
7.2.60.0130.01016.66
7.2.50.0140.00216.53
7.2.40.0090.01116.60
7.2.30.0110.00616.44
7.2.20.0080.00616.41
7.2.10.0140.00516.63
7.2.00.0080.00617.57
7.1.250.0090.00515.38
7.1.240.0100.00715.50
7.1.230.0140.00715.54
7.1.220.0070.00715.63
7.1.210.0070.00315.64
7.1.200.0070.00715.81
7.1.190.0100.00315.74
7.1.180.0050.00515.78
7.1.170.0040.00815.82
7.1.160.0030.00615.63
7.1.150.0090.00015.72
7.1.140.0040.01115.86
7.1.130.0030.01015.69
7.1.120.0000.01115.44
7.1.110.0120.00815.80
7.1.100.0020.00916.78
7.1.90.0090.00915.84
7.1.80.0040.01215.88
7.1.70.0050.00716.30
7.1.60.0060.01117.28
7.1.50.0050.01016.32
7.1.40.0040.00415.85
7.1.30.0040.00715.79
7.1.20.0000.01615.52
7.1.10.0070.00415.71
7.1.00.0020.04219.07
7.0.330.0090.00615.18
7.0.320.0030.00915.30
7.0.310.0000.00915.31
7.0.300.0080.00815.22
7.0.290.0060.00915.20
7.0.280.0030.00915.26
7.0.270.0070.00715.03
7.0.260.0060.00315.12
7.0.250.0040.01115.24
7.0.240.0000.01515.20
7.0.230.0030.01215.16
7.0.220.0140.00315.45
7.0.210.0000.01415.02
7.0.200.0020.00816.08
7.0.190.0090.00315.30
7.0.180.0040.00715.14
7.0.170.0000.01215.16
7.0.160.0080.00415.38
7.0.150.0060.00615.38
7.0.140.0030.04018.65
7.0.130.0060.00315.37
7.0.120.0080.00615.57
7.0.110.0090.00615.35
7.0.100.0060.00615.23
7.0.90.0080.00615.39
7.0.80.0060.00615.34
7.0.70.0030.00615.25
7.0.60.0080.03817.54
7.0.50.0110.03516.65
7.0.40.0030.05216.70
7.0.30.0100.02516.69
7.0.20.0090.02716.80
7.0.10.0050.04616.69
7.0.00.0050.04716.76
5.6.380.0070.00414.38
5.6.370.0150.00014.02
5.6.360.0000.01114.13
5.6.350.0060.00913.97
5.6.340.0100.00314.22
5.6.330.0060.01013.88
5.6.320.0070.00714.11
5.6.310.0150.00014.51
5.6.300.0040.00714.25
5.6.290.0000.01313.97
5.6.280.0030.04217.78
5.6.270.0110.00014.54
5.6.260.0080.00314.20
5.6.250.0000.00814.16
5.6.240.0040.00414.08
5.6.230.0080.00414.15
5.6.220.0070.01014.19
5.6.210.0080.04017.31
5.6.200.0020.02616.19
5.6.190.0070.02517.49
5.6.180.0140.02517.49
5.6.170.0130.04117.23
5.6.160.0030.04717.46
5.6.150.0080.03016.21
5.6.140.0090.04416.04
5.6.130.0080.02816.18
5.6.120.0080.02617.52
5.6.110.0050.04317.74
5.6.100.0060.04917.41
5.6.90.0020.04217.64
5.6.80.0030.04217.31
5.6.70.0000.01514.02
5.6.60.0040.00414.09
5.6.50.0100.00713.99
5.6.40.0060.00914.51
5.6.30.0000.01414.16
5.6.20.0090.00014.27
5.6.10.0030.01014.38
5.6.00.0030.00713.74
5.5.380.0000.00711.10
5.5.370.0030.00910.70
5.5.360.0060.00011.17
5.5.350.0080.04615.77
5.5.340.0030.03214.43
5.5.330.0050.04415.51
5.5.320.0080.04215.65
5.5.310.0200.04415.55
5.5.300.0050.04114.49
5.5.290.0050.03814.47
5.5.280.0090.03615.89
5.5.270.0050.03615.97
5.5.260.0030.04616.03
5.5.250.0060.04215.86
5.5.240.0170.03515.53
5.5.230.0030.00910.75
5.5.220.0080.00310.88
5.5.210.0030.00310.96
5.5.200.0040.00710.93
5.5.190.0040.00710.85
5.5.180.0060.00310.47
5.5.170.0060.00011.02
5.5.160.0000.00611.03
5.5.150.0060.00611.13
5.5.140.0030.00710.97
5.5.130.0030.00610.79
5.5.120.0000.01010.94
5.5.110.0030.00511.01
5.5.100.0030.00910.98
5.5.90.0030.00311.01
5.5.80.0000.00910.63
5.5.70.0070.00410.91
5.5.60.0000.01010.95
5.5.50.0030.01011.11
5.5.40.0060.00310.84
5.5.30.0080.00311.18
5.5.20.0000.01210.76
5.5.10.0030.00311.06
5.5.00.0030.00910.87
5.4.450.0170.02315.29
5.4.440.0120.02515.11
5.4.430.0050.02715.25
5.4.420.0200.02515.18
5.4.410.0150.02015.01
5.4.400.0430.01515.20
5.4.390.0260.02214.99
5.4.380.0180.02814.57
5.4.370.0260.02314.73
5.4.360.0250.04014.74
5.4.350.0250.03714.80
5.4.340.0300.03314.84
5.4.330.0050.00210.92
5.4.320.0090.02811.65
5.4.310.0060.02511.68
5.4.300.0060.02411.76
5.4.290.0070.02411.65
5.4.280.0050.02411.62
5.4.270.0060.02511.65
5.4.260.0050.02511.69
5.4.250.0040.02711.63
5.4.240.0060.01811.47
5.4.230.0070.02811.60
5.4.220.0050.02211.60
5.4.210.0040.02111.57
5.4.200.0050.02311.43
5.4.190.0070.02311.56
5.4.180.0050.02111.61
5.4.170.0030.02111.64
5.4.160.0070.01811.44
5.4.150.0040.02311.54
5.4.140.0080.02011.53
5.4.130.0040.02411.53
5.4.120.0020.02311.54
5.4.110.0050.02311.33
5.4.100.0060.02611.32
5.4.90.0030.02311.32
5.4.80.0060.02111.48
5.4.70.0060.02011.50
5.4.60.0030.02411.46
5.4.50.0050.02211.36
5.4.40.0020.02311.48
5.4.30.0040.02111.36
5.4.20.0040.02211.47
5.4.10.0040.02111.44
5.4.00.0040.02211.25
5.3.290.0030.02811.59
5.3.280.0020.02211.48
5.3.270.0070.02011.49
5.3.260.0060.02111.54
5.3.250.0050.02011.49
5.3.240.0040.02311.51
5.3.230.0040.02311.51
5.3.220.0040.02211.47
5.3.210.0020.02411.55
5.3.200.0070.01911.50
5.3.190.0060.02211.48
5.3.180.0080.01911.57
5.3.170.0040.02611.58
5.3.160.0050.02211.64
5.3.150.0040.02111.59
5.3.140.0050.02411.56
5.3.130.0040.02211.51
5.3.120.0080.03311.46
5.3.110.0070.02011.46
5.3.100.0040.02211.19
5.3.90.0050.02211.25
5.3.80.0050.02111.17
5.3.70.0040.02111.17
5.3.60.0080.01911.22
5.3.50.0030.02211.13
5.3.40.0050.02411.17
5.3.30.0060.02011.10
5.3.20.0040.02311.04
5.3.10.0070.01910.97
5.3.00.0070.02010.96
5.2.170.0030.0189.72
5.2.160.0030.0199.71
5.2.150.0060.0179.72
5.2.140.0020.0209.71
5.2.130.0040.0239.70
5.2.120.0060.0209.69
5.2.110.0030.0209.70
5.2.100.0050.0169.70
5.2.90.0080.0169.70
5.2.80.0060.0159.69
5.2.70.0040.0209.69
5.2.60.0040.0209.67
5.2.50.0040.0209.66
5.2.40.0050.0179.64
5.2.30.0040.0159.63
5.2.20.0040.0179.63
5.2.10.0060.0179.58
5.2.00.0020.0239.52
5.1.60.0060.0109.16
5.1.50.0030.0209.16
5.1.40.0020.0199.15
5.1.30.0020.0169.32
5.1.20.0050.0149.33
5.1.10.0060.0139.19
5.1.00.0020.0169.19
5.0.50.0040.0128.43
5.0.40.0010.0148.36
5.0.30.0040.0198.27
5.0.20.0050.0088.25
5.0.10.0030.0158.25
5.0.00.0040.0148.24
4.4.90.0020.0147.52
4.4.80.0020.0107.51
4.4.70.0020.0147.51
4.4.60.0020.0137.51
4.4.50.0040.0147.51
4.4.40.0040.0177.48
4.4.30.0030.0097.51
4.4.20.0030.0107.55
4.4.10.0050.0117.55
4.4.00.0050.0207.51
4.3.110.0030.0087.46
4.3.100.0040.0157.46
4.3.90.0020.0107.45
4.3.80.0030.0147.42
4.3.70.0020.0107.44
4.3.60.0030.0097.44
4.3.50.0030.0157.44
4.3.40.0020.0157.39
4.3.30.0030.0096.77
4.3.20.0030.0116.76
4.3.10.0020.0166.74
4.3.00.0070.01212.77

preferences:
42.76 ms | 401 KiB | 5 Q