3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'str'; echo $str[0];

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)
8.3.70.0110.01118.31
8.3.60.0040.01118.18
8.3.50.0110.00521.14
8.3.40.0110.00718.98
8.3.30.0030.01018.79
8.3.20.0040.00420.24
8.3.10.0040.00421.92
8.3.00.0070.00422.43
8.2.190.0160.01016.58
8.2.180.0090.00616.50
8.2.170.0040.01122.96
8.2.160.0130.00719.24
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00319.48
8.2.110.0030.00622.25
8.2.100.0100.00320.00
8.2.90.0080.00019.34
8.2.80.0000.00818.03
8.2.70.0030.00617.63
8.2.60.0060.00318.05
8.2.50.0050.00318.07
8.2.40.0050.00218.28
8.2.30.0040.00418.00
8.2.20.0050.00317.70
8.2.10.0040.00417.52
8.2.00.0030.00617.56
8.1.280.0070.01025.92
8.1.270.0050.00321.98
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0070.00323.79
8.1.230.0070.00719.05
8.1.220.0040.00717.78
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0060.00317.51
8.1.180.0000.00818.64
8.1.170.0000.00918.51
8.1.160.0030.00322.04
8.1.150.0000.00718.53
8.1.140.0040.00417.27
8.1.130.0030.00317.78
8.1.120.0020.00517.39
8.1.110.0040.00417.27
8.1.100.0040.00417.40
8.1.90.0030.00317.48
8.1.80.0040.00417.40
8.1.70.0000.00717.35
8.1.60.0040.00417.55
8.1.50.0040.00417.35
8.1.40.0030.00617.53
8.1.30.0070.00017.59
8.1.20.0040.00417.61
8.1.10.0040.00417.61
8.1.00.0030.00417.51
8.0.300.0040.00418.77
8.0.290.0030.00317.18
8.0.280.0030.00318.43
8.0.270.0070.00017.16
8.0.260.0030.00316.71
8.0.250.0040.00416.91
8.0.240.0030.00716.94
8.0.230.0030.00316.86
8.0.220.0040.00416.70
8.0.210.0030.00316.83
8.0.200.0000.00716.85
8.0.190.0050.00316.75
8.0.180.0040.00416.84
8.0.170.0000.00716.76
8.0.160.0000.00716.77
8.0.150.0080.00016.76
8.0.140.0060.00616.80
8.0.130.0000.00613.21
8.0.120.0070.00016.63
8.0.110.0030.00616.81
8.0.100.0030.00316.67
8.0.90.0000.00816.93
8.0.80.0100.00716.85
8.0.70.0000.00816.71
8.0.60.0000.00716.75
8.0.50.0030.00616.77
8.0.30.0050.01317.20
8.0.20.0130.00817.40
8.0.10.0040.00416.93
8.0.00.0110.00916.74
7.4.330.0030.00315.00
7.4.320.0080.00016.43
7.4.300.0000.00616.46
7.4.290.0070.00316.54
7.4.280.0040.00416.42
7.4.270.0000.00716.57
7.4.260.0040.00416.28
7.4.250.0040.00416.32
7.4.240.0030.00516.52
7.4.230.0000.00716.48
7.4.220.0040.01316.49
7.4.210.0070.00716.45
7.4.200.0030.00316.55
7.4.190.0000.00716.52
7.4.160.0120.00416.29
7.4.150.0130.00317.40
7.4.140.0090.00917.86
7.4.130.0110.01016.53
7.4.120.0100.00616.40
7.4.110.0060.01216.31
7.4.100.0110.00816.38
7.4.90.0060.01316.74
7.4.80.0110.01119.39
7.4.70.0100.00716.42
7.4.60.0130.00316.27
7.4.50.0000.00816.41
7.4.40.0030.00822.77
7.4.30.0150.00616.46
7.4.00.0080.00514.95
7.3.330.0020.00213.03
7.3.320.0030.00313.03
7.3.310.0030.00316.27
7.3.300.0000.00716.03
7.3.290.0110.00316.25
7.3.280.0090.00616.20
7.3.270.0110.00717.40
7.3.260.0110.00616.24
7.3.250.0080.01216.22
7.3.240.0150.00316.27
7.3.230.0080.01316.39
7.3.210.0100.00716.26
7.3.200.0070.01016.28
7.3.190.0030.01316.13
7.3.180.0100.01016.51
7.3.170.0070.01016.49
7.3.160.0190.00316.29
7.3.120.0070.00814.77
7.3.110.0030.01614.57
7.3.100.0070.00814.67
7.3.90.0070.00514.81
7.3.80.0050.00714.88
7.3.70.0000.01414.71
7.3.60.0080.00314.83
7.3.50.0070.00614.81
7.3.40.0050.00614.74
7.3.30.0100.00114.70
7.3.20.0070.00716.63
7.3.10.0050.00716.43
7.3.00.0050.00516.48
7.2.330.0160.00316.25
7.2.320.0080.01216.57
7.2.310.0090.01216.67
7.2.300.0070.00916.49
7.2.290.0030.01316.41
7.2.250.0030.01614.91
7.2.240.0090.01214.63
7.2.230.0090.00614.85
7.2.220.0020.01214.87
7.2.210.0050.01014.97
7.2.200.0030.01215.00
7.2.190.0050.00815.00
7.2.180.0050.01114.94
7.2.170.0040.00514.81
7.1.330.0020.01315.71
7.1.320.0040.01015.84
7.1.310.0050.00915.63
7.1.300.0030.00815.82
7.1.290.0040.00715.74
7.1.280.0000.00915.71
7.1.270.0060.00815.75
7.1.260.0020.01115.72
7.1.70.0100.00717.08
7.1.60.0060.01619.82
7.1.50.0110.00716.89
7.1.00.0030.07322.36
7.0.200.0030.00716.46
7.0.140.0000.07722.09
7.0.60.0130.08019.89
7.0.50.0100.07317.77
7.0.40.0070.07720.09
7.0.30.0270.04020.18
7.0.20.0130.04320.04
7.0.10.0070.05020.19
7.0.00.0030.04320.16
5.6.280.0070.07020.78
5.6.210.0070.05020.68
5.6.200.0130.05318.22
5.6.190.0030.07720.48
5.6.180.0270.04720.36
5.6.170.0230.08020.50
5.6.160.0070.04020.40
5.6.150.0100.05318.12
5.6.140.0100.07718.21
5.6.130.0030.09318.21
5.6.120.0130.08320.99
5.6.110.0100.06720.98
5.6.100.0100.06720.95
5.6.90.0070.06020.97
5.6.80.0070.05720.52
5.5.350.0200.06320.51
5.5.340.0000.05317.91
5.5.330.0070.06720.18
5.5.320.0230.05020.13
5.5.310.0300.08320.23
5.5.300.0070.04317.95
5.5.290.0070.08017.92
5.5.280.0000.08020.76
5.5.270.0070.03720.88
5.5.260.0100.07020.67
5.5.250.0100.06720.77
5.5.240.0070.06020.14
5.4.450.0200.05319.39
5.4.440.0630.05319.47
5.4.430.0200.05319.35
5.4.420.0230.06319.22
5.4.410.0200.05719.54
5.4.400.0270.05718.59
5.4.390.0500.05718.67
5.4.380.0230.05718.72
5.4.370.1170.05318.61
5.4.360.0800.05318.73
5.4.350.0670.06018.74
5.4.340.0770.05018.77
5.4.320.0080.03712.45
5.4.310.0060.03912.45
5.4.300.0040.04512.45
5.4.290.0100.03712.45
5.4.280.0070.05412.35
5.4.270.0030.04412.34
5.4.260.0270.06018.73
5.4.250.0070.06019.02
5.4.240.0200.05318.90
5.4.230.0130.05718.93
5.4.220.0100.07718.92
5.4.210.0130.06318.94
5.4.200.0130.06718.73
5.4.190.0130.06718.73
5.4.180.0300.06019.04
5.4.170.0130.05318.87
5.4.160.0130.04718.88
5.4.150.0130.07719.02
5.4.140.0170.06316.39
5.4.130.0130.04716.33
5.4.120.0070.05016.21
5.4.110.0070.06016.30
5.4.100.0170.07016.35
5.4.90.0130.06716.39
5.4.80.0100.06016.41
5.4.70.0200.05016.51
5.4.60.0100.05716.42
5.4.50.0070.04716.25
5.4.40.0070.05316.52
5.4.30.0130.06316.39
5.4.20.0130.04716.38
5.4.10.0200.05016.26
5.4.00.0200.04315.80
5.3.290.0050.03912.80
5.3.280.0200.06014.51
5.3.270.0200.06714.61
5.3.260.0070.07714.59
5.3.250.0130.05314.63
5.3.240.0170.04714.60
5.3.230.0070.05314.29
5.3.220.0070.07314.57
5.3.210.0100.05314.48
5.3.200.0130.05014.44
5.3.190.0100.05014.45
5.3.180.0200.05314.44
5.3.170.0170.04714.58
5.3.160.0100.05014.57
5.3.150.0030.05314.45
5.3.140.0130.06014.57
5.3.130.0100.05714.41
5.3.120.0270.06014.37
5.3.110.0030.06714.55
5.3.100.0070.05714.05
5.3.90.0100.07013.72
5.3.80.0070.06713.95
5.3.70.0070.05014.02
5.3.60.0070.07313.77
5.3.50.0000.06313.96
5.3.40.0070.05313.78
5.3.30.0070.05014.00
5.3.20.0070.05313.55
5.3.10.0200.04713.51
5.3.00.0130.06313.47
5.2.170.0030.05011.13
5.2.160.0200.03011.23
5.2.150.0100.04311.15
5.2.140.0030.04711.14
5.2.130.0030.04711.10
5.2.120.0070.04011.03
5.2.110.0170.04711.11
5.2.100.0070.04711.01
5.2.90.0000.05711.01
5.2.80.0130.03711.10
5.2.70.0070.06010.97
5.2.60.0070.04010.97
5.2.50.0070.05311.01
5.2.40.0130.04310.75
5.2.30.0070.04010.87
5.2.20.0100.04011.02
5.2.10.0070.05310.92
5.2.00.0000.05010.93
5.1.60.0170.02310.13
5.1.50.0030.0379.87
5.1.40.0100.0439.89
5.1.30.0070.04010.50
5.1.20.0130.02710.35
5.1.10.0100.04310.15
5.1.00.0100.0409.91
5.0.50.0000.0308.39
5.0.40.0030.0278.27
5.0.30.0070.0508.27
5.0.20.0070.0238.23
5.0.10.0030.0308.11
5.0.00.0000.0578.15
4.4.90.0030.0207.50
4.4.80.0070.0237.50
4.4.70.0030.0337.50
4.4.60.0070.0207.50
4.4.50.0030.0237.50
4.4.40.0100.0337.50
4.4.30.0130.0177.50
4.4.20.0070.0237.50
4.4.10.0000.0237.50
4.4.00.0030.0307.50
4.3.110.0000.0237.50
4.3.100.0030.0277.50
4.3.90.0000.0277.50
4.3.80.0070.0337.50
4.3.70.0030.0207.50
4.3.60.0030.0237.50
4.3.50.0030.0207.50
4.3.40.0030.0337.50
4.3.30.0000.0337.50
4.3.20.0000.0307.50
4.3.10.0070.0237.50
4.3.00.0100.0207.63

preferences:
48.33 ms | 401 KiB | 5 Q