3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'this is a string'; // Test 1 if (isset($string['check'][0])) { echo 'found'; } else { echo 'not found'; }

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)
8.3.60.0100.00716.24
8.3.50.0110.00916.35
8.3.40.0120.00618.77
8.3.30.0000.01418.57
8.3.20.0080.00018.69
8.3.10.0050.00320.46
8.3.00.0030.00619.31
8.2.180.0140.00316.63
8.2.170.0100.01022.96
8.2.160.0070.00722.03
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00419.95
8.2.110.0090.00021.00
8.2.100.0040.00817.72
8.2.90.0050.00519.25
8.2.80.0020.00517.93
8.2.70.0030.00617.50
8.2.60.0050.00317.80
8.2.50.0030.00518.07
8.2.40.0030.00618.16
8.2.30.0030.00618.11
8.2.20.0040.00417.58
8.2.10.0020.00517.59
8.2.00.0000.00717.63
8.1.280.0030.01025.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0040.00420.70
8.1.230.0080.00321.04
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0030.00617.38
8.1.180.0000.00818.10
8.1.170.0030.00618.90
8.1.160.0000.00718.73
8.1.150.0070.00018.57
8.1.140.0060.00317.38
8.1.130.0000.00817.83
8.1.120.0000.00717.47
8.1.110.0000.00817.41
8.1.100.0040.00417.41
8.1.90.0050.00317.39
8.1.80.0050.00317.32
8.1.70.0070.00017.42
8.1.60.0040.00417.52
8.1.50.0040.00417.41
8.1.40.0000.00717.43
8.1.30.0000.00817.62
8.1.20.0040.00417.66
8.1.10.0000.00717.61
8.1.00.0000.00917.41
8.0.300.0040.00419.90
8.0.290.0080.00016.75
8.0.280.0030.00318.30
8.0.270.0030.00317.25
8.0.260.0030.00316.82
8.0.250.0050.00216.86
8.0.240.0030.00516.79
8.0.230.0030.00316.89
8.0.220.0030.00316.71
8.0.210.0070.00016.71
8.0.200.0030.00316.80
8.0.190.0040.00416.78
8.0.180.0070.00016.75
8.0.170.0090.00016.84
8.0.160.0030.00316.94
8.0.150.0050.00316.83
8.0.140.0000.00716.84
8.0.130.0000.00513.27
8.0.120.0050.00316.67
8.0.110.0040.00416.94
8.0.100.0000.00716.87
8.0.90.0040.00416.66
8.0.80.0090.00516.82
8.0.70.0080.00016.65
8.0.60.0040.00416.88
8.0.50.0000.00816.80
8.0.30.0090.01317.00
8.0.20.0060.01417.02
8.0.10.0030.00316.75
8.0.00.0050.01216.72
7.4.330.0000.00612.91
7.4.320.0030.00316.45
7.4.300.0050.00216.53
7.4.290.0000.00716.41
7.4.280.0040.00416.55
7.4.270.0000.00716.59
7.4.260.0030.00313.23
7.4.250.0040.00416.45
7.4.240.0000.00716.49
7.4.230.0030.00316.43
7.4.220.0100.01716.51
7.4.210.0080.00916.47
7.4.200.0070.00016.25
7.4.190.0000.00716.25
7.4.160.0120.00616.62
7.4.150.0070.01116.47
7.4.140.0110.00916.47
7.4.130.0080.00816.48
7.4.120.0090.00916.60
7.4.110.0100.00616.35
7.4.100.0030.01616.66
7.4.90.0100.01416.41
7.4.80.0090.01016.32
7.4.70.0130.00316.20
7.4.60.0090.00816.57
7.4.50.0040.00416.21
7.4.40.0080.00316.18
7.4.30.0100.00616.40
7.4.00.0070.01014.86
7.3.330.0030.00313.03
7.3.320.0030.00313.03
7.3.310.0030.00316.14
7.3.300.0070.00016.26
7.3.290.0130.00716.24
7.3.280.0090.00716.31
7.3.270.0140.00316.23
7.3.260.0080.01316.38
7.3.250.0070.01216.36
7.3.240.0160.00416.36
7.3.230.0120.00416.33
7.3.210.0030.01316.23
7.3.200.0130.00619.39
7.3.190.0100.01016.61
7.3.180.0080.00816.34
7.3.170.0090.00616.38
7.3.160.0150.00016.33
7.3.120.0070.01114.87
7.3.110.0070.01014.90
7.3.100.0030.01314.68
7.3.90.0000.01414.92
7.3.80.0000.01514.49
7.3.70.0120.00314.66
7.3.60.0070.01114.54
7.3.50.0040.00814.82
7.3.40.0000.01114.73
7.3.30.0070.00714.58
7.3.20.0070.00716.63
7.3.10.0000.01716.43
7.3.00.0040.00716.30
7.2.330.0080.00816.61
7.2.320.0110.00616.66
7.2.310.0160.00516.56
7.2.300.0030.01316.70
7.2.290.0080.00816.29
7.2.250.0000.01814.66
7.2.240.0100.01014.96
7.2.230.0060.01314.90
7.2.220.0070.00714.86
7.2.210.0060.00614.48
7.2.200.0090.00614.98
7.2.190.0060.01314.86
7.2.180.0070.00814.84
7.2.170.0090.00914.93
7.2.80.0030.01016.32
7.2.60.0030.00916.54
7.1.330.0000.01315.63
7.1.320.0070.00715.52
7.1.310.0030.01015.71
7.1.300.0040.01115.71
7.1.290.0060.00615.77
7.1.280.0140.00015.83
7.1.270.0000.01215.44
7.1.260.0000.01415.54
7.1.200.0050.00815.85
7.1.70.0000.00716.68
7.1.60.0110.01519.40
7.1.50.0090.01216.53
7.1.00.0070.07322.30
7.0.200.0310.00414.38
7.0.140.0130.06722.08
7.0.120.0070.05322.04
7.0.60.0000.07719.93
7.0.50.0070.07017.78
7.0.40.0130.04320.03
7.0.30.0300.04720.13
7.0.20.0300.07020.09
7.0.10.0200.06720.16
7.0.00.0070.08320.00
5.6.280.0030.07321.08
5.6.210.0000.09020.54
5.6.200.0100.03718.19
5.6.190.0070.08720.66
5.6.180.0370.07320.41
5.6.170.0230.07020.34
5.6.160.0130.04720.55
5.6.150.0100.07718.18
5.6.140.0100.08018.21
5.6.130.0070.04318.14
5.6.120.0030.08321.00
5.6.110.0030.04021.13
5.6.100.0000.04321.03
5.6.90.0070.08321.12
5.6.80.0030.04320.38
5.6.70.3670.04020.49
5.5.350.0330.06320.31
5.5.340.0070.04317.96
5.5.330.0130.06020.57
5.5.320.0270.07720.21
5.5.310.0270.07720.12
5.5.300.0200.06717.88
5.5.290.0030.05717.89
5.5.280.0030.05720.95
5.5.270.0070.05720.87
5.5.260.0070.04720.76
5.5.250.0130.08020.79
5.5.240.0070.04720.25
5.4.450.0100.06319.39
5.4.440.0030.04319.46
5.4.430.0070.06019.41
5.4.420.0070.03719.57
5.4.410.0070.07319.27
5.4.400.0070.05718.94
5.4.390.0000.08319.16
5.4.380.0030.08018.92
5.4.370.0030.07319.16
5.4.360.0070.06318.89
5.4.350.0100.06719.09
5.4.340.0070.07318.88
5.4.320.0000.04319.13
5.4.310.0070.07319.13
5.4.300.0100.03018.93
5.4.290.0000.03718.91
5.4.280.0070.04319.07
5.4.270.0000.04019.13
5.4.260.0000.04719.09
5.4.250.0000.03719.08
5.4.240.0000.04019.07
5.4.230.0030.03719.07
5.4.220.0070.03319.21
5.4.210.0070.03019.09
5.4.200.0030.03719.04
5.4.190.0000.03718.87
5.4.180.0000.03718.87
5.4.170.0000.04319.11
5.4.160.0030.03719.22
5.4.150.0000.03719.11
5.4.140.0030.03716.27
5.4.130.0000.03716.28
5.4.120.0000.03716.37
5.4.110.0030.03316.39
5.4.100.0070.03316.43
5.4.90.0000.03316.43
5.4.80.0000.03716.21
5.4.70.0000.03716.41
5.4.60.0000.03316.36
5.4.50.0000.03716.36
5.4.40.0070.04016.41
5.4.30.0030.07316.18
5.4.20.0070.07016.16
5.4.10.0070.06316.04
5.4.00.0030.05315.88
5.3.290.0000.04314.50
5.3.280.0000.04014.49
5.3.270.0100.02714.55
5.3.260.0000.03714.64
5.3.250.0030.03714.69
5.3.240.0000.03714.46
5.3.230.0030.03314.45
5.3.220.0000.04314.43
5.3.210.0030.03314.61
5.3.200.0030.03314.47
5.3.190.0000.03714.52
5.3.180.0000.03714.51
5.3.170.0030.03714.43
5.3.160.0000.03714.55
5.3.150.0000.03714.51
5.3.140.0030.03314.48
5.3.130.0070.06714.45
5.3.120.0030.04014.63
5.3.110.0130.04714.45
5.3.100.0030.04314.12
5.3.90.0030.04714.07
5.3.80.0070.04013.79
5.3.70.0030.07313.96
5.3.60.0130.05713.88
5.3.50.0030.05014.03
5.3.40.0100.06013.88
5.3.30.0100.05013.93
5.3.20.0170.03713.46
5.3.10.0030.06313.51
5.3.00.0000.05313.49
5.2.170.0000.06012.10
5.2.160.0070.06312.10
5.2.150.0000.06312.10
5.2.140.0030.04012.10
5.2.130.0100.05312.10
5.2.120.0000.04712.10
5.2.110.0030.03012.10
5.2.100.0000.05312.10
5.2.90.0030.03712.10
5.2.80.0000.03712.10
5.2.70.0030.05312.10
5.2.60.0000.05712.10
5.2.50.0000.05312.10
5.2.40.0000.06312.10
5.2.30.0070.05712.10
5.2.20.0030.05712.10
5.2.10.0070.06012.10
5.2.00.0030.03712.10
5.1.60.0000.02712.10
5.1.50.0000.05012.10
5.1.40.0000.03712.10
5.1.30.0030.04312.10
5.1.20.0070.04012.10
5.1.10.0070.04312.10
5.1.00.0030.04012.10
5.0.50.0030.03312.10
5.0.40.0070.04012.10
5.0.30.0030.06312.10
5.0.20.0070.04012.10
5.0.10.0070.03712.10
5.0.00.0000.06012.10
4.4.90.0000.03012.10
4.4.80.0030.02712.10
4.4.70.0000.02312.10
4.4.60.0030.03312.10
4.4.50.0030.02312.10
4.4.40.0030.02012.10
4.4.30.0000.03012.10
4.4.20.0070.03012.10
4.4.10.0030.03312.10
4.4.00.0000.05312.10
4.3.110.0000.02712.10
4.3.100.0030.02012.10
4.3.90.0030.03312.10
4.3.80.0030.04312.10
4.3.70.0000.03712.10
4.3.60.0100.02012.10
4.3.50.0030.02712.10
4.3.40.0000.03312.10
4.3.30.0000.04012.10
4.3.20.0000.03312.10
4.3.10.0030.03012.10
4.3.00.0030.03712.10

preferences:
54.29 ms | 401 KiB | 5 Q