3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = 5.0; $a = [5 => 'hello']; if (isset($a[$f])) { var_dump($f); }

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)
8.4.120.0120.00820.46
8.4.110.0100.00918.96
8.4.100.0110.01019.35
8.4.90.0310.01119.32
8.4.80.0380.00617.42
8.4.70.0370.00717.75
8.4.60.0450.01017.49
8.4.50.0310.00217.54
8.4.40.0290.00716.98
8.4.30.0210.00417.41
8.4.20.0210.00517.31
8.4.10.0210.00317.34
8.3.250.0080.01018.89
8.3.240.0110.00816.42
8.3.230.0170.00516.60
8.3.220.0150.00816.46
8.3.210.0180.00416.50
8.3.200.0190.00316.70
8.3.190.0160.00616.37
8.3.180.0170.00416.48
8.3.170.0230.00816.26
8.3.160.0430.00715.81
8.3.150.0450.00916.25
8.3.140.0450.00916.32
8.3.130.0320.00816.44
8.3.120.0410.00816.42
8.3.110.0250.01116.13
8.3.100.0230.00916.38
8.3.90.0180.00516.33
8.3.80.0190.00416.27
8.3.70.0380.00916.24
8.3.60.0420.00816.46
8.3.50.0410.00915.93
8.3.40.0430.00717.32
8.3.30.0330.01117.44
8.3.20.0340.00817.24
8.3.10.0360.00917.27
8.3.00.0090.00717.25
8.2.290.0330.01016.77
8.2.280.0280.00516.74
8.2.270.0280.00416.30
8.2.260.0260.00516.43
8.2.250.0160.00316.41
8.2.240.0150.00416.58
8.2.230.0190.00516.34
8.2.220.0340.01016.44
8.2.210.0380.00516.17
8.2.200.0360.00916.36
8.2.190.0300.00816.05
8.2.180.0210.00216.42
8.2.170.0250.00517.74
8.2.160.0160.00517.58
8.2.150.0150.00517.39
8.2.140.0180.00217.39
8.2.130.0150.00517.51
8.2.120.0240.00817.49
8.2.110.0390.00717.62
8.2.100.0380.00517.64
8.2.90.0310.01017.37
8.2.80.0360.00817.15
8.2.70.0360.00817.42
8.2.60.0330.01017.39
8.2.50.0370.00917.20
8.2.40.0390.01217.39
8.2.30.0360.00917.28
8.2.20.0390.00617.39
8.2.10.0290.00717.28
8.2.00.0170.00417.13
8.1.330.0150.00315.99
8.1.320.0140.00316.22
8.1.310.0300.00616.09
8.1.300.0310.00916.02
8.1.290.0310.00915.95
8.1.280.0250.00716.09
8.1.270.0160.00217.22
8.1.260.0310.00517.26
8.1.250.0310.00617.19
8.1.240.0300.00817.10
8.1.230.0310.00917.37
8.1.220.0330.00717.12
8.1.210.0350.00617.04
8.1.200.0380.00717.28
8.1.190.0330.00916.88
8.1.180.0380.00717.21
8.1.170.0220.00517.36
8.1.160.0310.00716.92
8.1.150.0450.01016.80
8.1.140.0400.00317.16
8.1.130.0350.00817.22
8.1.120.0380.00617.22
8.1.110.0250.01017.15
8.1.100.0150.00517.23
8.1.90.0140.00417.28
8.1.80.0280.00717.09
8.1.70.0140.00617.22
8.1.60.0250.01117.06
8.1.50.0290.00817.30
8.1.40.0330.00517.05
8.1.30.0320.00817.44
8.1.20.0290.00917.14
8.1.10.0330.00617.41
8.1.00.0350.01016.88
8.0.300.0320.00916.48
8.0.290.0370.00416.39
8.0.280.0360.00516.50
8.0.270.0220.00516.48
8.0.260.0150.00316.42
8.0.250.0190.00216.41
8.0.240.0200.00516.51
8.0.230.0200.00916.62
8.0.220.0340.00716.49
8.0.210.0350.01016.27
8.0.200.0190.00516.63
8.0.190.0190.00516.75
8.0.180.0150.00316.55
8.0.170.0230.00416.58
8.0.160.0300.00716.55
8.0.150.0290.01116.43
8.0.140.0340.00816.33
8.0.130.0290.00816.35
8.0.120.0290.01116.43
8.0.110.0330.00716.50
8.0.100.0400.00816.43
8.0.90.0370.00616.63
8.0.80.0310.01016.50
8.0.70.0320.00816.50
8.0.60.0310.00716.13
8.0.50.0340.00416.51
8.0.30.0300.00816.71
8.0.20.0340.00516.82
8.0.10.0320.00716.72
8.0.00.0370.00316.85
7.4.330.0330.00816.05
7.4.320.0330.00716.20
7.4.300.0290.00816.02
7.4.290.0280.00916.04
7.4.280.0310.00616.15
7.4.270.0270.01016.16
7.4.260.0320.00616.12
7.4.250.0340.00416.13
7.4.240.0250.01216.27
7.4.230.0300.00616.03
7.4.220.0280.00216.29
7.4.210.0110.00516.35
7.4.200.0110.00616.33
7.4.190.0210.00616.22
7.4.180.0100.00616.36
7.4.160.0260.00716.18
7.4.150.0280.00916.12
7.4.140.0290.00516.10
7.4.130.0320.00316.05
7.4.120.0310.00615.97
7.4.110.0330.00515.97
7.4.100.0300.00616.26
7.4.90.0300.00916.28
7.4.80.0310.00616.06
7.4.70.0350.00616.11
7.4.60.0350.00516.00
7.4.50.0140.00316.00
7.4.40.0200.00915.91
7.4.30.0280.00816.13
7.4.20.0300.00515.85
7.4.10.0260.00615.93
7.4.00.0300.00615.93
7.3.330.0300.00416.19
7.3.320.0290.00916.00
7.3.310.0240.00815.95
7.3.300.0300.00915.94
7.3.290.0320.00715.87
7.3.280.0290.00716.02
7.3.270.0260.00915.65
7.3.260.0290.00615.98
7.3.250.0280.00815.77
7.3.240.0280.00815.77
7.3.230.0290.00515.98
7.3.220.0320.00715.86
7.3.210.0310.00715.75
7.3.200.0180.00415.68
7.3.190.0280.00915.73
7.3.180.0350.00716.06
7.3.170.0260.00615.59
7.3.160.0320.00416.02
7.3.150.0270.01015.61
7.3.140.0320.00515.77
7.3.130.0290.00515.95
7.3.120.0250.00415.86
7.3.110.0270.00815.82
7.3.100.0280.00815.95
7.3.90.0270.00716.23
7.3.80.0290.00516.09
7.3.70.0320.00915.96
7.3.60.0310.00915.95
7.3.50.0310.00716.19
7.3.40.0280.00815.76
7.3.30.0320.00416.12
7.3.20.0330.00517.98
7.3.10.0270.00517.92
7.3.00.0280.00917.88
7.2.340.0310.00616.26
7.2.330.0280.01016.04
7.2.320.0280.00916.25
7.2.310.0320.00415.85
7.2.300.0260.01015.76
7.2.290.0370.00515.90
7.2.280.0290.00315.95
7.2.270.0160.00116.25
7.2.260.0260.00616.01
7.2.250.0290.00715.72
7.2.240.0320.00616.29
7.2.230.0240.01216.06
7.2.220.0370.00216.07
7.2.210.0300.00715.91
7.2.200.0310.00516.12
7.2.190.0290.00916.23
7.2.180.0290.00715.86
7.2.170.0270.00616.36
7.2.160.0230.00815.95
7.2.150.0360.00518.03
7.2.140.0310.00617.75
7.2.130.0300.00718.22
7.2.120.0200.00718.18
7.2.110.0120.00518.08
7.2.100.0300.00618.19
7.2.90.0330.00717.85
7.2.80.0410.00717.88
7.2.70.0360.00318.02
7.2.60.0320.00918.15
7.2.50.0320.00518.22
7.2.40.0220.00618.28
7.2.30.0130.00418.14
7.2.20.0150.00118.05
7.2.10.0260.01018.21
7.2.00.0330.00817.89
7.1.330.0280.00516.89
7.1.320.0270.00517.06
7.1.310.0240.00517.14
7.1.300.0170.00316.94
7.1.290.0140.00617.13
7.1.280.0100.00517.09
7.1.270.0180.00417.17
7.1.260.0260.00717.32
7.1.250.0270.00417.01
7.1.240.0280.00616.89
7.1.230.0220.00217.35
7.1.220.0270.00717.04
7.1.210.0270.00616.96
7.1.200.0290.00716.85
7.1.190.0280.00517.25
7.1.180.0310.00517.13
7.1.170.0240.00916.89
7.1.160.0230.00617.02
7.1.150.0110.00516.98
7.1.140.0160.00716.93
7.1.130.0250.00716.94
7.1.120.0300.00617.25
7.1.110.0240.00916.88
7.1.100.0250.00816.96
7.1.90.0270.00716.90
7.1.80.0220.00916.96
7.1.70.0250.00716.96
7.1.60.0270.00616.93
7.1.50.0270.00816.89
7.1.40.0360.00516.87
7.1.30.0320.00516.97
7.1.20.0220.00717.07
7.1.10.0190.00516.96
7.1.00.0260.00617.01
7.0.330.0230.00816.76
7.0.320.0220.00916.82
7.0.310.0240.00716.46
7.0.300.0250.00616.76
7.0.290.0240.00817.02
7.0.280.0270.00716.54
7.0.270.0170.00416.75
7.0.260.0240.00716.88
7.0.250.0220.00816.79
7.0.240.0250.00616.80
7.0.230.0250.00616.91
7.0.220.0240.00816.66
7.0.210.0280.00816.56
7.0.200.0250.00616.58
7.0.190.0230.00816.79
7.0.180.0260.00616.81
7.0.170.0180.00516.98
7.0.160.0140.00016.43
7.0.150.0120.00216.85
7.0.140.0250.00916.87
7.0.130.0250.00516.69
7.0.120.0290.00616.77
7.0.110.0250.00616.82
7.0.100.0210.01016.59
7.0.90.0260.00716.66
7.0.80.0230.00616.40
7.0.70.0240.00716.91
7.0.60.0210.01016.61
7.0.50.0220.00716.96
7.0.40.0270.00416.74
7.0.30.0270.00916.57
7.0.20.0190.00616.86
7.0.10.0260.00516.66
7.0.00.0240.00416.59
5.6.400.0240.00915.63
5.6.390.0290.00615.48
5.6.380.0280.00615.59
5.6.370.0310.00615.66
5.6.360.0240.00915.61
5.6.350.0220.00715.62
5.6.340.0110.00315.68
5.6.330.0190.01015.38
5.6.320.0250.00615.58
5.6.310.0250.00715.13
5.6.300.0230.00915.39
5.6.290.0260.00715.61
5.6.280.0220.00615.36
5.6.270.0250.00415.62
5.6.260.0250.00615.26
5.6.250.0220.01015.38
5.6.240.0260.00715.50
5.6.230.0240.00815.60
5.6.220.0270.00615.52
5.6.210.0270.00715.65
5.6.200.0260.00715.45
5.6.190.0230.00415.55
5.6.180.0220.00915.72
5.6.170.0260.00715.72
5.6.160.0270.00615.71
5.6.150.0280.00715.48
5.6.140.0250.00815.40
5.6.130.0290.00615.85
5.6.120.0270.00515.43
5.6.110.0230.00815.44
5.6.100.0210.00915.57
5.6.90.0260.00515.23
5.6.80.0190.00715.62
5.6.70.0230.00315.63
5.6.60.0230.00615.72
5.6.50.0270.00515.25
5.6.40.0210.01015.68
5.6.30.0220.00715.23
5.6.20.0250.00615.15
5.6.10.0270.00415.38
5.6.00.0220.00815.61
5.5.380.0180.00215.44
5.5.370.0250.00815.50
5.5.360.0230.01115.29
5.5.350.0270.00815.61
5.5.340.0310.00715.42
5.5.330.0310.00515.30
5.5.320.0240.00515.45
5.5.310.0230.00915.42
5.5.300.0210.01115.11
5.5.290.0230.00915.22
5.5.280.0220.00715.29
5.5.270.0260.00515.61
5.5.260.0240.00815.32
5.5.250.0270.00715.44
5.5.240.0230.00915.37
5.5.230.0260.00515.39
5.5.220.0230.00815.43
5.5.210.0180.00715.61
5.5.200.0180.00115.61
5.5.190.0130.00215.55
5.5.180.0250.00615.45
5.5.170.0230.00715.16
5.5.160.0250.00515.32
5.5.150.0220.00815.58
5.5.140.0230.00715.26
5.5.130.0250.00515.04
5.5.120.0250.00615.13
5.5.110.0240.00715.28
5.5.100.0240.00515.63
5.5.90.0150.00615.39
5.5.80.0270.00515.48
5.5.70.0140.00315.64
5.5.60.0110.00315.48
5.5.50.0110.00315.54
5.5.40.0250.00515.73
5.5.30.0190.00815.77
5.5.20.0150.00615.57
5.5.10.0200.00715.68
5.5.00.0190.00715.50
5.4.450.0100.00515.04
5.4.440.0170.00815.04
5.4.430.0180.00615.04
5.4.420.0200.00515.04
5.4.410.0180.00715.04
5.4.400.0280.00515.04
5.4.390.0120.00515.04
5.4.380.0080.00415.04
5.4.370.0080.00415.04
5.4.360.0100.00615.04
5.4.350.0080.00415.04
5.4.340.0200.00515.04
5.4.330.0260.00415.04
5.4.320.0190.00515.04
5.4.310.0180.00515.04
5.4.300.0180.00615.04
5.4.290.0180.00715.04
5.4.280.0220.00215.04
5.4.270.0180.00615.04
5.4.260.0190.00415.04
5.4.250.0160.00615.04
5.4.240.0200.00515.04
5.4.230.0220.00215.04
5.4.220.0210.00415.04
5.4.210.0200.00615.04
5.4.200.0160.00415.04
5.4.190.0220.00115.04
5.4.180.0140.00815.04
5.4.170.0120.00415.04
5.4.160.0080.00315.04
5.4.150.0150.00315.04
5.4.140.0140.00715.04
5.4.130.0190.00515.04
5.4.120.0190.00515.04
5.4.110.0200.00515.04
5.4.100.0180.00615.04
5.4.90.0170.00815.04
5.4.80.0180.00415.04
5.4.70.0200.00515.04
5.4.60.0160.00815.04
5.4.50.0180.00515.04
5.4.40.0110.00415.04
5.4.30.0170.00715.04
5.4.20.0220.00215.04
5.4.10.0190.00515.04
5.4.00.0210.00315.04
5.3.290.0190.00515.04
5.3.280.0180.00715.04
5.3.270.0160.00615.04
5.3.260.0190.00615.04
5.3.250.0180.00715.04
5.3.240.0180.00615.04
5.3.230.0170.00815.04
5.3.220.0190.00415.04
5.3.210.0140.00715.04
5.3.200.0220.00515.04
5.3.190.0160.00815.04
5.3.180.0170.00515.04
5.3.170.0110.00315.04
5.3.160.0220.00615.04
5.3.150.0100.00215.04
5.3.140.0110.00215.04
5.3.130.0140.01015.04
5.3.120.0200.00515.04
5.3.110.0170.00915.04
5.3.100.0150.00815.04
5.3.90.0180.00515.04
5.3.80.0180.00715.04
5.3.70.0170.00615.04
5.3.60.0160.00715.04
5.3.50.0220.00215.04
5.3.40.0190.00515.04
5.3.30.0170.00515.04
5.3.20.0190.00515.04
5.3.10.0170.00715.04
5.3.00.0170.00715.04
5.2.170.0190.00115.04
5.2.160.0150.00515.04
5.2.150.0170.00415.04
5.2.140.0130.00715.04
5.2.130.0160.00515.04
5.2.120.0160.00415.04
5.2.110.0150.00415.04
5.2.100.0150.00515.04
5.2.90.0140.00715.04
5.2.80.0120.00715.04
5.2.70.0160.00415.04
5.2.60.0180.00215.04
5.2.50.0130.00615.04
5.2.40.0140.00515.04
5.2.30.0130.00515.04
5.2.20.0150.00315.04
5.2.10.0140.00515.04
5.2.00.0150.00415.04
5.1.60.0150.00515.04
5.1.50.0120.00715.04
5.1.40.0140.00515.04
5.1.30.0080.00415.04
5.1.20.0100.00315.04
5.1.10.0050.00315.04
5.1.00.0200.00115.04
5.0.50.0120.00315.04
5.0.40.0110.00415.04
5.0.30.0090.00615.04
5.0.20.0140.00215.04
5.0.10.0100.00515.04
5.0.00.0080.00415.04
4.4.90.0060.00115.04
4.4.80.0080.00115.04
4.4.70.0080.00115.04
4.4.60.0070.00215.04
4.4.50.0080.00115.04
4.4.40.0080.00115.04
4.4.30.0080.00115.04
4.4.20.0080.00115.04
4.4.10.0070.00215.04
4.4.00.0070.00215.04
4.3.110.0060.00215.04
4.3.100.0080.00115.04
4.3.90.0070.00215.04
4.3.80.0070.00215.04
4.3.70.0090.00015.04
4.3.60.0080.00115.04
4.3.50.0060.00215.04
4.3.40.0080.00115.04
4.3.30.0040.00315.04
4.3.20.0060.00115.04
4.3.10.0050.00215.04
4.3.00.0040.00315.04

preferences:
36.66 ms | 403 KiB | 5 Q